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Heatwave Thermalwear

2 Pack Mens Thermal T Shirts Warm Winter Baselayer Insulating Yarn Soft Brushed Inner Perfect for Outdoor Activities Hiking Skiing by Heatwave Thermalwear

Regular price £10.00 GBP
Regular price Sale price £10.00 GBP
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Heatwave® Pack Of 2 Men's Thermal T Shirt, Warm Underwear Baselayer

Experience unparalleled warmth and comfort with the Heatwave® Pack Of 2 Men's Thermal T Shirt. Engineered as a premium baselayer, this thermal underwear is designed to keep you warm in even the coldest conditions. With advanced insulating yarn and a soft brushed inner, these thermal tops hold more warm air close to the skin, ensuring high-performance insulation. Choose Heatwave® for superior warmth, comfort, and fit.

Key Feature 1: Advanced Insulating Yarn

Description: Crafted from a unique blend of 50% polyester and 50% cotton, the advanced insulating yarn in these thermal tops provides superior warmth. The 0.45 tog rating ensures that more warm air is held close to the skin, enhancing insulation.


  • Stay warmer for longer with the advanced insulating properties of these thermal tops.
  • Perfect for outdoor activities or just keeping cozy indoors during the winter months.

Key Feature 2: Comfort Fit

Description: The ribbed construction of these thermal tops shapes perfectly to the contours of your body, offering a snug and comfortable fit. Additionally, the tops are designed to be side seam-free, reducing irritation and enhancing comfort.


  • Enjoy a customized fit that moves with you, making these thermal tops ideal for active wear or layering under other clothing.
  • The absence of side seams ensures maximum comfort, free from chafing.

Key Feature 3: Soft Brushed Inner

Description: The inner surface of these thermal tops is soft-brushed, creating a plush layer next to your skin. This not only feels luxurious but also contributes to better heat retention.


  • Experience a soft and cozy sensation every time you wear these thermal tops.
  • The brushed inner layer traps heat more effectively, providing an extra layer of warmth.


Choose from a range of sizes to find your perfect fit:

  • Small: Chest Size 34-36”
  • Medium: Chest Size 37-39”
  • Large: Chest Size 40-42”
  • X-Large: Chest Size 43-45”
  • XX-Large: Chest Size 46-48”

Note: All sizes are approximate.

Colours Or Style Options

Available in a variety of stylish colors to match your preference:

  • White
  • Blue
  • Charcoal
  • Black
  • Navy
  • Grey

Care Guide

Keep your thermal tops in top condition with these care instructions:

  • Machine washable at 40°C
  • Can be tumble dried
  • Wash dark colors separately

Why Choose This Product

Choose the Heatwave® Pack Of 2 Men's Thermal T Shirt for unmatched warmth, comfort, and fit. Our advanced insulating yarn and soft brushed inner set us apart from competitors. Don't just take our word for it; our satisfied customers rave about the superior heat retention and comfort these thermal tops provide. When it comes to quality and value, Heatwave® is your go-to choice for thermal underwear baselayers.

Additional Information

Usability: Perfect for outdoor activities like hiking, skiing, or just daily wear during chilly weather. Versatile enough to be worn as a baselayer or on its own.

Warranty and Support: We stand by the quality of our products with a satisfaction guarantee. For any issues, our customer support team is here to help, ensuring a hassle-free return policy.


We have partnered with 20 innovative grassroot companies that we believe can help reverse climate change. We allocate a fixed margin from every sale to support fund nature-based carbon removal solutions such as reforestation and soil carbon sequestration. Fund companies such as DroneSeed, Grassroots Carbon, and Pachama.

We are committed at Sock Stack to neutralize our shipping emissions and remove carbon dioxide from the atmosphere. Learn more here.

We also work closely with Royal Mail to ensure hassle-free, on-time delivery. Generally processing times are within 1 business day*. Processing times may also be extended during holidays, launches/re-stocks, limited edition releases and promotions. We will notify you as soon as your order ships or if we foresee any issues with fulfilling your order. Read our full Shipping Policy for more information.
*Please understand that business days do not include weekends and Bank Holidays (United Kingdom).

£3.95 flat fee for all domestic within the United Kingdom (free shipping over £40), 2-4 working days.
£5.95 express fee for all domestic within the United Kingdom, 1-3 working days.

Easy returns

Not completely satisfied with your purchase? Reach out within 35 days to explore hassle-free return options. We've simplified cancelations for a full refund and additionally return requests can be made from your online account. Please review our Refund Policy for more details. Thank you for your patience and understanding as we navigate this together.


Sock Stack does not have a call centre and we're not set up to handle high volumes of phone calls.

The Sock Stack brand was built online, including our customer support. Though you may receive an automated response every once in a while, all channels are manned by human staff who are eager to help you out, quickly and efficiently.

Thank you again for visiting Sock Stack. For information on our new product launches, please follow us on Instagram & Facebook. For customer service inquiries, please send us a message on Facebook Messenger or e-mail us at For order inquiries, please include your order number for faster service.


Clearpay makes budgeting easier, allowing you to break down your payments into four installments, due every two weeks, interest free. Head over to Sock Stack and find something you love. Then, just add to bag and simply select Clearpay as your payment method at the checkout. Enjoy your new stuff right away and pay over four installments.

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Buy now and pay 30 days later with KLARNA payment portal. You get all the “closure” of a full upfront payment, but with the cash-flow benefits of spreading the cost. The total amount charged to your card is no greater than if you simply paid for the entire purchase up front.



We are a young, bold homeware brand. We’re fun, we’re social and we’re an upcoming brand that doesn’t sleep. Interested in partnering? Apply today to be part of our community.

Sock Stack

Our Mission

Heatwave Thermalwear® envisions becoming the most celebrated, trustworthy, and sought-after brand by offering superior, distinctive, and inexpensive thermal wear products that exceed every customer's expectations. Heatwave Thermalwear's® vision is to become a leading thermal underwear baselayer brand by delivering the most refined and high-grade products to the customers that are thoughtfully developed to withstand extremely cold conditions while offering enhanced protection and unmatched comfort.

Sock Stack

Function, Fit & Style

Heatwave Thermalwear® strives to provide a diverse collection of the highest quality and affordable thermal underwear to men and women. Our thermal socks, long-sleeve base layers, long johns, hats and gloves are meticulously designed to be safe, lightweight, and breathable, providing fast-wicking and added warmth. As a customer-first brand, we are committed to fostering solid and lifelong relationships with our clients and aspire to deliver exceptional quality and value in our products.

Customer Reviews

Based on 44 reviews

So nice for our son who works outside on building works in all weathers

Lynn (Nottingham, GB)
Excellent quality

Slightly larger than expected but still fine. Excellent quality. Great company to purchase from abd received very quick. So really happy

Anonymous (Chatham, GB)
Unbeatable Value

Easy irderingcweb sute. Excellent value and good quality thermal tops 2 pack. Wash an Wear well. Have purchased before and they are still good. Not too thick so good base layer under shirt. Perform well and keep me warm. Colour grey good. Delivery super quick

D.B. (Stroud, GB)
Thermal T Shirt

Very good and warm

Dawn (Bournemouth, GB)

Excellent purchase so warm and comfortable in the winter excellent fit. Sizes exact .

JB (Torquay, GB)
I think the recipient will love them

Bought as part of a present, so can’t judge what they’re like to wear. But look great and the service was excellent. Would prefer no plastic in the packaging…it’s really not necessary. They won’t break!

Helen M. (Newcastle upon Tyne, GB)
Thermal t shirts

Excellent quality nearly as good as Haigman unfortunately they don’t sell anymore will definitely buy more from here

Patricia Emery (Stoke-on-Trent, GB)
Men’s thermal vests

Good quality for the money husband loves them.

Ray Fowell (Doncaster, GB)
They keep you warm

Does what it says on the tin


Great quality for great price