When the cold bites, you need a base layer that works as hard as you do — genuinely warm, genuinely comfortable, and invisible under everything you wear.
Key Features
High-Performance Insulation — Featuring a remarkable 0.45 tog rating, these thermal tops are crafted from advanced insulating yarn.
Comfort Fit — The ribbed construction of these thermal tops shapes perfectly to the contours of your body.
Durable Material — Made from a robust blend of 50% polyester and 50% cotton, these thermal tops are built to last.
Materials
Made from a robust blend of 50% polyester and 50% cotton, these thermal tops are built to last. This material combination offers durability while maintaining a soft and comfortable feel against the skin.
Colours Available
White, Blue, Charcoal, Black, Navy, Grey
Sizes Available
Top (Chest Size) 34-36” Medium: Top (Chest Size) 37-39” Large: Top (Chest Size) 40-42” X-Large: Top (Chest Size) 43-45” XX-Large: Top (Chest Size) 46-48” All sizes are approximate.
Care Instructions
Machine washable at 40°C Can be tumble dried Wash dark colours separately.
Perfect For
Perfect Christmas gift for outdoor enthusiasts, hikers, and skiers A thoughtful birthday treat for them who feels the cold Great Secret Santa present — practical, comfortable, always appreciated Ideal self-care gift for anyone who spends time outdoors in winter.
Frequently Asked Questions
Is this warm enough for skiing or outdoor sports? Yes — the insulating yarn and brushed interior are engineered for cold-weather performance as a base layer for skiing, snowboarding, and hiking.
Can I wear this under everyday clothes? Absolutely. The slim ribbed fit layers smoothly under jeans, trousers, or work attire without adding visible bulk.
Is it suitable for sensitive skin? Yes — the hypoallergenic fibres are gentle and non-irritating for comfortable all-day wear.
What sizes are available? Please refer to the Sizes Available section for the full range. If you're between sizes, we recommend sizing up for the most comfortable layering fit.
Is it machine washable? Yes — machine wash at 40°C. Easy to care for, wash after wash.
Shipping
Fast, reliable UK delivery — with a positive impact.
We work closely with Royal Mail to ensure your Sock Stack order arrives quickly, safely, and on time. Every order is processed within 1 business day and dispatched via Royal Mail Tracked 24 or Tracked 48 — so you can follow your delivery every step of the way.
UK delivery options
Royal Mail Tracked 48 - £3.95 (Free over £22), 2–4 working days
Express Royal Mail Tracked 24 - £5.95, 1–3 working days
Order processing
Orders placed before 2pm are dispatched the same working day
Orders placed after 2pm are dispatched the following working day
Processing times may be extended during sales, new launches, restocks, limited edition releases, and UK Bank Holidays
You will be notified immediately once your order has shipped, or if any fulfilment issues arise
Business days do not include weekends or UK Bank Holidays
🌱 Carbon-neutral shipping — we're committed to the planet
At Sock Stack we are committed to neutralising our shipping emissions and actively removing carbon dioxide from the atmosphere. We have partnered with 20 innovative grassroots companies pioneering nature-based carbon removal solutions — including reforestation, soil carbon sequestration, and land restoration.
Our climate partners include industry leaders such as DroneSeed, Grassroots Carbon, and Pachama. A fixed margin from every single Sock Stack sale is allocated directly to funding these solutions — so every pair of socks you buy helps make a difference.
Your satisfaction is everything to us. If you're not completely happy with your Sock Stack purchase for any reason, simply reach out within 35 days of delivery and we'll take care of the rest — no hassle, no stress.
Our returns promise
35-day returns window from date of delivery
Full refunds, partial refunds, or exchanges available
Cancellations processed quickly for a full refund
Return requests can be made directly from your online account — quick and easy
Items must be unused, unworn, and in original packaging to qualify
How to return
Log into your Sock Stack account and submit a return request, or contact us at sockstack@outlook.com
Include your order number and reason for return
We'll confirm your return and provide next steps within 1 business day
Once received and inspected, your refund or exchange will be processed promptly
Sock Stack was built online from the ground up — including our customer support. Every message we receive is handled by a real human member of our UK-based team, dedicated to resolving your query quickly and efficiently. While you may occasionally receive an automated acknowledgement, rest assured a real person is always on the other end.
How to reach us
Email: sockstack@outlook.com Best for: order enquiries, returns, product questions Response time: within 1 business day
Social media & messenger: Best for: quick questions and general enquiries Response time: within 1 business day
Facebook: facebook.com/sock.stack
Instagram: instagram.com/sock.stack
TikTok: tiktok.com/@sock.stack
X (Twitter): x.com/sockstack
Pinterest: pinterest.co.uk/sockstack
Snapchat: snapchat.com/add/sock-stack
YouTube: Sock Stack on YouTube
Tips for faster service
Always include your order number when contacting us about an existing order
Include photos when reporting a damaged or incorrect item
Check our FAQs first — most common questions are answered there instantly
Stay in the loop Follow us across all our social channels for new product launches, restocks, exclusive offers, and promotions — we share updates there first.
Please note: Sock Stack does not operate a phone or call centre. All support is handled via email and social media channels for faster, more efficient service.
Flexible payment options
Buy now. Pay your way.
At Sock Stack we believe great quality socks, underwear and thermalwear should be affordable for everyone — which is why we offer a full range of flexible buy now pay later options at checkout. Stock up on your favourite multipacks and spread the cost with zero interest.
Klarna — pay in 3 or pay in 30 days Split your order into 3 interest-free monthly instalments, or receive your order first and pay within 30 days. No interest. No hidden fees. Manage everything via the Klarna app.
Clearpay — pay in 4 fortnightly instalments Split your order into 4 equal interest-free payments, collected automatically every 2 weeks. Instant approval at checkout. Track and manage payments via the Clearpay app.
Shop pay instalments — split into 4 easy payments Pay in 4 interest-free instalments directly at checkout via Shop Pay. Fast, simple, and built seamlessly into your Sock Stack checkout.
PayPal pay later — flexible & trusted Spread your cost with PayPal's Pay Later option — one of the world's most trusted payment platforms. Quick approval, zero interest, fully flexible.
Why pay later?
Zero interest on all plans
Instant approval — no lengthy credit checks
Manage all payments via your chosen app
Stock up on multipacks and save more — without the full cost today
Fully secure and encrypted checkout
Buy now pay later options are unregulated credit agreements. Late fees may apply on some providers. Available to UK residents aged 18+ only. Subject to eligibility and status. Please spend responsibly. T&Cs apply per provider.
Influencers & brand patners
Partner with us. Grow with us.
Sock Stack is a fast-growing UK brand with big ambitions and an engaged community across TikTok, Instagram, Facebook, and more. We're bold, we're social, and we're always on the lookout for creative, passionate content creators who want to grow alongside us.
Whether you're a micro-influencer, a TikTok creator, or a lifestyle content producer — if socks, comfort, and everyday style are your thing, we want to hear from you.
What we offer partners
Free products to review and feature
Exclusive affiliate discount codes for your audience
Commission on every sale you drive
Long-term brand partnership opportunities
Early access to new product launches and limited editions
A brand that actively promotes and shares your content
Who we're looking for
Content creators across TikTok, Instagram, YouTube, Pinterest, and Snapchat
Lifestyle, fashion, fitness, sustainability, or everyday living niches
Any following size welcome — engagement matters more than numbers
UK-based creators preferred but open to international partnerships
Rooted in premium natural materials, every Sock Stack product is crafted for all-day comfort, durability, and skin-friendly wear — giving you confidence from the ground up.
Many of our socks and underwear are made from OEKO-TEX® Standard 100 certified materials — independently tested and verified free from harmful substances. Safe for your skin, safe for your family, and trusted by millions worldwide.
All Sock Stack socks are made from natural, hypoallergenic fibres — free from harsh synthetic additives. Gentle enough for sensitive skin, diabetic feet, and everyday all-day wear.
Our bamboo and cotton fibres are sustainably sourced and grown without harmful pesticides. Kind to your skin, kind to the planet — every pair is as eco-conscious as it is comfortable.
Every product in our range is rigorously tested for comfort, durability, and fit before it reaches you. From moisture-wicking work socks to cosy thermal underwear — quality guaranteed, every time.
We started Sock Stack with one simple belief — great socks shouldn't cost a fortune. Every multipack is designed to give you maximum value without cutting corners on quality. From bamboo dress socks to thermal slipper socks, we cover every occasion, every season, and every budget — all with free UK delivery included.
( Made for every day )
From the morning commute to the evening sofa
Whether you need breathable work socks for long shifts, compression socks for your weekend run, or cosy thermal socks for cold nights in — Sock Stack has a pair for every moment of your day. Built for real life, worn by thousands of happy customers across the UK.
Customers praised these thermal baselayer tops for excellent warmth and comfort. Multiple shoppers noted "good quality" and "excellent value for money." The tops wash well and maintain shape. However, some found sizing runs large with sleeves too long, and several mentioned the neckline is too wide. Overall, highly recommended for cold weather wear.
Great tops for cold weather, keep me warm all day. Excellent price, quality and delivery.
Excellent quality at an excellent price with fast delivery.
Really comfortable and warm to wear, true to size and come up well even after wash.
5 stars: 49 (82%)
4 stars: 9 (15%)
3 stars: 2 (3%)
2 stars: 0 (0%)
1 star: 0 (0%)
J
Jennifer Daniel (Leeds, GB)
BLACK / L
Good stuff
Really nice,, good quality and very comfy.
M
MH (Airdrie, GB)
WHITE / L
Gents Thermal T shirt
Bought for Christmas presents therefore not tested yet
The T-shirts look lovely and cosy
Excellent quality at an excellent price
Fast delivery, would buy again
J
JOHN RYAN (Louth, GB)
CHARCOAL / XXL
Thermal tops
Good quality, but much bigger than expected so the sleeves are six inches to long.took them to the charity shop.
A
Alan Garthwaite (Exeter, GB)
NAVY / S
Simply the best
I've now purchased thin and thick socks, boxer shorts. also the latest thermal long John's plus vests. Everything has been perfect, good value Good fitting and quality. All that with quick delivery.
P
Phil Hill (Bangor, GB)
WHITE / M
Only problem the neck is too wide don't like it
D
Derek Bray (Forres, GB)
CHARCOAL / M
Excellent value
Ordered these, they came on time looking good quality. Have worn and washed them come up fine
C
Claire
Amazing quality
F
Farida Afini (Lambeth, GB)
NAVY / M
Thermal top and bottoms
Excellent value for money. Would highly recommend.
M
Martyn Dunmore (Tower Hamlets, GB)
CHARCOAL / L
Thermal t shirts
Excellent value and extremely good quality
M
Mr mark higginson (Birmingham, GB)
BLACK / L
Fantastic
Very easy to deal with and quality items, very happy with this
G
George Barnfather (Annan, GB)
BLUE / S
So far so good
Good comfortable tops , just wish the neckline was a bit higher !! need a neck warmer , for me any way . other than that a good product for the price
m
marie Johnson (Leeds, GB)
BLACK / XL
Impressive
This is the first time I’ve used this site. It’s was easy and straightforward, items were delivered as advised and I was impressed with the quality of the items. Will definitely order from you again.
H
Harry (Kilmarnock, GB)
CHARCOAL / L
2 Pack Men's Thermal Underwear Long Sleeve Tops Warm Durable Baselayer Insulated Brushed Yarn for Running Hiking Cold Weather Sportswear Durable Winter Clothing Small to XXL White Black Grey Navy by Heatwave Thermalwear
D
David Hindmarch (Sunderland, GB)
WHITE / XXL
Promt
Good fit just the job
P
Paul Edwards (Chepstow, GB)
BLACK / L
Warm tops
Great product, warm and comfortable and very good quality.
P
Peter Walker (Attleborough, GB)
WHITE / M
Thermal long sleeve vest
Very good, soon as soon you put it on you can feel the benefit
A
A J Scott (Montrose, GB)
WHITE / XL
Cosy Tops
Nice cosy tops. Nice fit. Wash good and keep shape. Fast delivery.
L
Lindsey Hodgson
BLACK / XXL
Long sleeve thermal tops
Great product, good quality, great price
I
Iris Price (Cheltenham, GB)
BLUE / M
Good service and Product
My husband decided as it is getting colder he needed some new thermal base layers and i googled them. The shoe stack product looked right so I ordered 2 for him, they arrived very quickly and he is happy with them. Thank you
M
Mollie
:)
K
Kelly
As described
M
Michael Walker (Wakefield, GB)
BLACK / L
Ok
Good
B
BARRY GOODWIN (Southampton, GB)
CHARCOAL / XXL
Warmer now.
Nice and warm,does tge job.
T
Thomas
Good price and fast delivery would recommend to others
J
John Evans (Manchester, GB)
BLACK / S
Thermal wear
Great product good fit
K
Kevin Stafford (Littlehampton, GB)
BLUE / L
Good product very pleased.
M
Mr D S Dixon (Boston, GB)
WHITE / L
These were a good choice
I found these thermal vests (I ordered two packs each of two vests) well suited to my requirements. They are warm, comfy, the right size and the sleeve length is just right for me. They look smart and washed well. I would certainly buy these again.
As they were ordered shortly before Christmas, I was advised it would be several days before delivery, which was not unreasonable. They arrived in under two days, however, rather better than expected. Well done!
s
steve fisher
Do you have a size chart for the tops and bottoms sold individually please
Sock Stack
Hi,
Thanks for your message. The thermal underwear are true to size and follow the UK standard sizing mens tops and bottoms.
Kind Regards
Sock Stack
( Got a question? )
FAQs
Got a question about our socks, materials, or your order? Find quick answers below. For anything else, our UK-based team is always happy to help.
Product questions
Are Sock Stack socks OEKO-TEX® certified?
Yes — many of our socks and underwear are made from OEKO-TEX® Standard 100 certified materials, independently tested and verified free from harmful substances and chemicals. This means every certified pair is safe for your skin, your family, and the environment. Look for the OEKO-TEX® badge on individual product pages to confirm certification.
How do I care for my Sock Stack socks and underwear?
The majority of our socks, underwear, and thermal underwear are machine washable for easy everyday care. We recommend washing at 30–40°C on a gentle cycle to preserve the fibres and extend the life of your products. Turn bamboo socks inside out before washing to maintain their antibacterial properties. Thermal underwear should be washed at 30°C to retain its insulating properties. Avoid tumble drying on high heat — air drying or a low tumble setting keeps everything in the best condition for longer.
Do you sell socks for specific occupations or activities?
Yes — our range covers a wide variety of needs and lifestyles. We stock breathable cotton work socks ideal for long shifts and office wear, cushioned compression socks for running and sports, moisture-wicking trainer socks for the gym, thermal slipper socks for home, and gentle non-elastic diabetic socks for sensitive feet and poor circulation. Whatever your day looks like, we have the right sock for it.
Do you sell men's underwear and thermal underwear?
Yes — alongside our extensive sock range, Sock Stack stocks premium men's underwear and thermal underwear built for comfort and everyday practicality. Our men's boxer shorts are available in breathable cotton and bamboo blends for all-day comfort. Our thermal underwear range includes thermal vests and long johns — ideal for cold weather, outdoor work, and winter layering. All available in multipacks so you can stock up and save.
What is the difference between bamboo and cotton socks?
Both are natural, skin-friendly materials — but they perform differently. Our bamboo socks are naturally antibacterial, moisture-wicking, and hypoallergenic, making them ideal for sensitive skin, sweaty feet, or all-day wear. Our cotton socks are breathable, durable, and great for everyday use across all occasions. Many customers keep both in their sock drawer — bamboo for active days, cotton for everyday comfort.
Delivery & returns
How quickly will my Sock Stack order be dispatched?
Orders placed before 2pm are dispatched the same working day. Orders placed after 2pm or over the weekend will be dispatched the following working day. We use Royal Mail Tracked 24 and Tracked 48 services, so your socks are on their way fast — with full tracking provided from the moment they leave our warehouse in Middlewich, Cheshire.
How do I track my Sock Stack order?
Once your order has been dispatched you'll receive a confirmation email containing your Royal Mail tracking number. Use this to track your delivery in real time via the Royal Mail website or app. If you haven't received your tracking details within 2 working days of ordering, please contact us at sockstack@outlook.com with your order number and we'll look into it straight away.
What do I do if I receive a damaged or incorrect item?
We're sorry if this has happened — it's not the experience we want you to have. Please contact us at sockstack@outlook.com within 7 days of receiving your order, including your order number and a photo of the issue. We'll arrange a replacement, full refund, partial refund, or exchange — whichever works best for you. We'll always make it right.
What is the Sock Stack returns policy?
We offer a generous 35-day returns window from the date of delivery. Items must be unused, unworn, and in their original packaging to qualify. To start a return or exchange, contact us at sockstack@outlook.com with your order number. Once we receive and inspect the returned items, we'll process your refund, partial refund, or exchange promptly. Return postage costs are the responsibility of the customer unless the item is faulty or incorrect.
What payment methods does Sock Stack accept?
We accept a wide range of payment methods to make checkout as easy as possible. These include all major debit and credit cards — Visa, Mastercard, American Express, Maestro, Diners Club, Discover, and UnionPay — as well as Apple Pay, Google Pay, PayPal, Klarna, Clearpay, and Shop Pay Instalments for interest-free payments. We also accept USDC cryptocurrency — funds are converted and paid out in your local currency, or can be claimed in USDC and transferred to your crypto wallet.
Didn’t find your answer?
Don't hesitate to get in touch — our friendly UK-based team is ready to help with any questions about your order, our products, or anything else.
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laura gilmour
Cow pyjamas
Nice looking pyjamas bought for my daughter and she loves them.
Daisy Dreamer Women's Highland Cow Pyjama Set T Shirt And Shorts Soft Cotton Loungewear
Michael Jackson
Delivery time is fantastic
Delivery time is usually faster than estimate
Sock Stack
Michael Jackson
As described perfect fit
Bought for my wife a huge highland cow fan excellent colour and material and graphics / print images and cut to perfect sizes she is delighted with the gift and excellent delivery time
Daisy Dreamer Womens Highland Cow Print Cotton Jersey Pyjama Set Long Sleeve Lounge Wear
steven brook
TRUNKS FOR REVIEW
Rally good quality better than similar branded clothing that cost double the price well worth the money
Sock Stack Boxer Shorts 6 Pack Striped Cotton Blend Stretch Men's Underwear Black Grey Cotton Rich Stretch Comfort Fit
Audrey Atkinson
Brilliant
Sock Stack Pack Of 6 Mens Cotton Blend Gym Muscle Vests Fitted Lightweight Breathable
Bought for my wife a huge highland cow fan excellent colour and material and graphics / print images and cut to perfect sizes she is delighted with the gift and excellent delivery time
Excellent quality, soft, comfortable, and fits perfectly. The black colour looks great, and it still looks new after washing. Great value for money, highly recommended!