Shop Sock Stack's men's underwear — A-front boxer shorts, stretch trunks, and classic briefs in cotton-rich fabrics with a non-roll waistband, flatlock seams, and everyday comfort fit in UK sizes S–XXL, available in practical multipacks with buy-more-save-more value pricing; pair with our men's socks and men's sleep & lounge for a complete comfort wardrobe, with free UK delivery on orders over £22 and fast UK dispatch on every order.

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Heatwave Thermalwear

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Sock Stack men's cotton blend gym muscle vests, fitted, lightweight, breathable, in black, grey, navy, and white, size S to XXL.Sock Stack men's cotton blend gym muscle vests in black, navy, grey, and white, fitted, lightweight, breathable for summer wear.
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Size
SMLXLXXL
Sock Stack Boxer Shorts 12-pack in black cotton blend with breathable, stretch fabric and button fly, designed for comfort.Sock Stack Boxer Shorts 12-pack in black, cotton blend, breathable and comfortable with stretch fabric and button closure.
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Size
SMLXLXXL
Vendor: Sock Stack

Sock Stack Boxer Shorts 12 Pack Black Cotton Blend Breathable Comfortable Stretch Button

Regular price £16.00 GBP
Sale price: £16.00 GBP Regular price: Sale: -0%
In stock, 25000 units
BLACK BLACK
Sock Stack men's plain short sleeve T-shirts pack of 3, soft breathable cotton blend, classic colors for casual everyday wear.Pack of three Sock Stack men's plain T-shirts in black, navy, and grey, made of soft breathable cotton-polyester blend.
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Size
SMLXLXXL
Vendor: Sock Stack

Sock Stack Men's Plain T-Shirts Pack Of 3 Short Sleeve Soft Breathable Cotton Blend

Regular price £10.00 GBP
Sale price: £10.00 GBP Regular price: Sale: -0%
In stock, 163 units
Heatwave Thermalwear men's thermal underwear set with long sleeve tops and long johns, insulated brushed yarn for warmth and outdoor activities.Heatwave Thermalwear men's thermal T-shirt 2-pack, insulated and brushed yarn base layer for outdoor sports and cold weather.
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Size
SMLXLXXL

Heatwave Thermalwear Men's Thermal Underwear Set 2 Pack Long Sleeve Top and Long Johns

Regular price £20.00 GBP
Sale price: £20.00 GBP Regular price: Sale: -0%
In stock, 60483 units
Six-pack of Sock Stack men's woven boxer shorts with loose fit, breathable polycotton material and comfortable elastic waistband.Six-pack of Sock Stack men's woven boxer shorts in soft polycotton, loose fit with comfortable waistband in various colors.
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Size
SMLXLXXL
Vendor: Sock Stack

Sock Stack Men's Woven Boxers 6 Pack Loose Fit Polycotton Comfort Waistband Multipack

Regular price £14.00 GBP
Sale price: £14.00 GBP Regular price: Sale: -0%
In stock, 67 units
ASSORTED ASSORTED
Pack of 6 Sock Stack men's loose-fit boxer shorts with comfort waistband, button fly, breathable cotton blend in assorted colors.Six pairs of Sock Stack men's loose-fit boxer shorts with comfort waistband, button fly, breathable cotton blend in assorted colors.
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Size
SMLXLXXL
Vendor: Sock Stack

Sock Stack MB02 Pack Of 6 Mens Loose Fit Boxers With Comfort Waistband Button Fly

Regular price £8.00 GBP
Sale price: £8.00 GBP Regular price: Sale: -0%
In stock, 2239 units
ASSORTED ASSORTED
Sock Stack men's boxer shorts 6-pack in black and grey, cotton-rich, breathable trunk style with comfortable stretch waistband.
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Size
SMLXLXXL3XL4XL5XL6XL
Vendor: Sock Stack

Sock Stack 6 Pack Cotton Rich Boxer Shorts Trunk Style For Men MB07 Black Grey Breathable

Regular price £9.00 GBP
Sale price: £9.00 GBP Regular price: Sale: -0%
In stock, 22747 units
ASSORTED ASSORTED
Heatwave Thermalwear men's long johns 2-pack in white, black, and grey, insulated brushed thermal underwear for outdoor sports and hiking.Heatwave Thermalwear men's thermal T-shirt 2-pack, insulated and brushed yarn base layer for outdoor sports and cold weather.
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Size
SMLXLXXL

Heatwave Thermalwear Men's Long Johns 2 Pack Brushed Insulated Baselayer Warm Size S-XXL

Regular price £10.00 GBP
Sale price: £10.00 GBP Regular price: Sale: -0%
In stock, 59938 units
Heatwave Thermalwear men's thermal long sleeve tops in black, white, and grey, insulated brushed yarn base layer for cold weather.Heatwave Thermalwear men's thermal T-shirt 2-pack, insulated and brushed yarn base layer for outdoor sports and cold weather.
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Size
SMLXLXXL

Heatwave Thermalwear Mens Thermal Long Sleeve Top Pack Of 2 Brushed Yarn Baselayer Sizes

Regular price £12.00 GBP
Sale price: £12.00 GBP Regular price: Sale: -0%
In stock, 45647 units
Heatwave Thermalwear men's thermal T-shirts in a 2-pack, insulated, brushed yarn base layer for outdoor sports and workwear, sizes S-XXL.Heatwave Thermalwear men's thermal T-shirt 2-pack, insulated and brushed yarn base layer for outdoor sports and cold weather.
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Size
SMXLLXXL

Heatwave Thermalwear 2 Pack Mens Thermal T Shirt Baselayer Brushed Yarn Insulated S-XXL

Regular price £10.00 GBP
Sale price: £10.00 GBP Regular price: Sale: -0%
In stock, 45741 units
Sock Stack men's cotton lounge shorts in black, navy, and grey, stretchy and durable for comfortable casual wear.Sock Stack men's cotton lounge shorts in black, navy, and grey, stretchable and durable, displayed folded in a 2-pack.
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Size
MLXLXXL3XL4XL5XL
Vendor: Sock Stack

Sock Stack Men's Cotton Lounge Shorts Stretchable 2 Pack Black Navy Grey Durable

Regular price £14.00 GBP
Sale price: £14.00 GBP Regular price: Sale: -0%
In stock, 1197 units
Heatwave Thermalwear men's thermal underwear set with brushed T-shirts and long johns in white, black, grey, and navy for winter warmth.Heatwave Thermalwear men's thermal T-shirt 2-pack, insulated and brushed yarn base layer for outdoor sports and cold weather.
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Size
SMLXLXXL

Heatwave Thermalwear Men's Thermal Underwear Set 2 Pack T Shirt And Long Johns Brushed

Regular price £18.00 GBP
Sale price: £18.00 GBP Regular price: Sale: -0%
In stock, 59305 units
Pack of 6 Sock Stack men's boxer shorts in loose-fit cotton-blend jersey with button fly and elastic waistband, assorted colors.Pack of 6 Sock Stack men's boxer shorts in loose-fit cotton-blend jersey with button fly and elastic waistband.
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Size
SMALLMEDIUMLARGEX-LARGEXX-LARGE
Vendor: Sock Stack

Sock Stack Men's Boxer Shorts Pack Of 6 Loose Fit Cotton-Blend Jersey With Button Fly

Regular price £17.00 GBP
Sale price: £17.00 GBP Regular price: Sale: -0%
In stock, 72 units
ASSORTED ASSORTED
Sock Stack men's 6-pack cotton Y-front briefs in white with soft stretch waistband, hypoallergenic, durable, everyday comfort underwear.Six white Sock Stack men's cotton Y-front briefs with soft stretch waistband, breathable hypoallergenic cotton, and durable everyday comfort.
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Size
SMLXL2XL3XL4XL5XL
Vendor: Sock Stack

Sock Stack Men's 6 Pack Cotton Y-Front Briefs White 100% Cotton Soft Stretch Waistband

Regular price £12.00 GBP
Sale price: £12.00 GBP Regular price: Sale: -0%
In stock, 40290 units
Pack of 6 Sock Stack men's cotton stretch striped briefs with breathable waistbands in assorted colors, ideal for gym and casual wear.Pack of 6 men's Sock Stack cotton stretch striped briefs with breathable waistbands in assorted colors and sizes.
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Size
SMLXLXXL
Vendor: Sock Stack

Sock Stack Men's Cotton Stretch Striped Briefs Pack Of 6 Breathable Waistband Assorted

Regular price £14.00 GBP
Sale price: £14.00 GBP Regular price: Sale: -0%
In stock, 1536 units
ASSORTED ASSORTED
Sock Stack men's organic cotton Y-front underwear pack of 6, breathable, moisture-wicking briefs in various sizes and colors.Pack of 6 Sock Stack men's organic cotton Y-front underwear in various colors, breathable and moisture-wicking for everyday wear.
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Size
SMLXL2XL3XL4XL5XL
Vendor: Sock Stack

Sock Stack Pack Of 6 Mens Organic Cotton Y Front Underpants Breathable Moisture Wicking

Regular price £13.00 GBP
Sale price: £13.00 GBP Regular price: Sale: -0%
In stock, 8227 units
Sock Stack men's boxer shorts 7-pack featuring days of the week, comfortable fit, breathable cotton blend, assorted colors and sizes.Sock Stack boys cotton-rich boxer shorts 7-pack with assorted colors, comfortable stretch fit, breathable fabric for ages 5-13.
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Size
SMLXLXXL
Vendor: Sock Stack

Sock Stack 7 Pack Days Of The Week Mens Boxer Shorts Comfort Fit Cotton Blend

Regular price £14.00 GBP
Sale price: £14.00 GBP Regular price: Sale: -0%
In stock, 5040 units
Six pairs of Sock Stack men's black cotton blend boxer shorts with colorful waistband, button fly, breathable and lightweight for active wear.Six-pack of Sock Stack black cotton blend boxer shorts for men, breathable, stretch fabric, colorful waistbands, lightweight and comfortable.
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Size
SMLXLXXL
Vendor: Sock Stack

Sock Stack 6 Pack Black Cotton Blend Boxer Shorts Mens Breathable Stretch Colorful

Regular price £10.00 GBP
Sale price: £10.00 GBP Regular price: Sale: -0%
In stock, 4861 units
BLACK BLACK
Six pairs of Sock Stack men's black ribbed boxer shorts made of cotton stretch fabric, shown in a pack of durable underwear.Six pairs of Sock Stack men's black ribbed boxer shorts made of stretch cotton, durable and comfortable men's underwear.
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Size
SMLXLXXL
Vendor: Sock Stack

Sock Stack Men's 6 Pair Pack Black Ribbed Boxer Shorts Cotton Stretch Fabric Durable

Regular price £12.00 GBP
Sale price: £12.00 GBP Regular price: Sale: -0%
In stock, 636 units
BLACK BLACK
Sock Stack men's boxer shorts 6-pack with black and grey striped cotton blend stretch fabric, breathable, soft, and durable underwear.Sock Stack men's boxer shorts 6-pack in black and grey with striped cotton blend fabric, stretchy, breathable, soft, and durable underwear.
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Size
SMLXLXXL
Vendor: Sock Stack

Sock Stack Boxer Shorts 6 Pack Striped Cotton Blend Stretch Men's Underwear Black Grey Cotton Rich Stretch Comfort Fit

Regular price £10.00 GBP
Sale price: £10.00 GBP Regular price: Sale: -0%
In stock, 20 units
BLACK STRIPE BLACK STRIPE
Sock Stack men's cotton boxer shorts pack of 5 with button fly, breathable stretch fabric, designed for gym and sports use.Sock Stack men's cotton boxer shorts pack of 5 with button fly, breathable stretch fabric, ideal for gym and sports activities.
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Size
MLXLSXXL
Vendor: Sock Stack

Sock Stack Men's Cotton Button Fly Boxer Shorts Pack Of 5 Breathable Stretch Gym Sports

Regular price £10.00 GBP
Sale price: £10.00 GBP Regular price: Sale: -0%
In stock, 80 units
Six-pack of Sock Stack black cotton stretch boxer shorts for men, featuring comfort fit and soft waistband, breathable everyday underwear.Six black cotton stretch Boxer Shorts for men from Sock Stack, featuring a comfort fit and soft waistband in a pack of six.
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Size
SMLXLXXL3XL4XL5XL
Vendor: Sock Stack

Sock Stack MB03 Black Cotton Stretch Boxer Shorts Pack Of 6 For Men Comfort Fit Soft Waistband Everyday Cotton Rich

Regular price £14.00 GBP
Sale price: £14.00 GBP Regular price: Sale: -0%
In stock, 50 units
BLACK BLACK
Sock Stack men's boxer shorts 6-pack in blue navy stripe, breathable cotton stretch fabric, soft and durable everyday underwear.Six-pack of Sock Stack men's blue navy striped cotton stretch boxer shorts, breathable and soft everyday underwear for active wear.
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Size
SMLXLXXL
Vendor: Sock Stack

Sock Stack 6 Pack Mens Blue Navy Stripe Cotton Stretch Boxer Shorts Breathable Everyday Cotton Rich Multipack

Regular price £10.00 GBP
Sale price: £10.00 GBP Regular price: Sale: -0%
Only 4 units left
BLUE STRIPE BLUE STRIPE
Sock Stack men's boxer shorts 5-pack in organic cotton, stretch fabric, available in sizes S to XXL, with a comfortable fit.Sock Stack men's boxer shorts in organic cotton, stretch fabric, 5-pack, available in sizes S to XXL, shown in a multi-pack bundle.
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Size
SMLXLXXL
Vendor: Sock Stack

Sock Stack Men's Boxer Shorts 5 Pack Organic Cotton Stretch S-XXL

Regular price £10.00 GBP
Sale price: £10.00 GBP Regular price: Sale: -0%
In stock, 932 units
Six-pack of Sock Stack men's cotton stretch boxer shorts in black, navy, and grey featuring breathable, soft, and durable fabric.Six-pack of Sock Stack men's cotton stretch boxer shorts in black, navy, and grey, breathable, soft, and durable underwear for men.
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Size
SMLXLXXL
Vendor: Sock Stack

Sock Stack 6 Pack Cotton Stretch Boxer Shorts For Men MB09 Breathable Soft Durable

Regular price £14.00 GBP
Sale price: £14.00 GBP Regular price: Sale: -0%
In stock, 144 units
BLACK/NAVY/GREY BLACK/NAVY/GREY
Pack of 6 Sock Stack men's jersey boxer shorts with cotton-rich fabric, classic fit, breathable design, and button fly.Pack of 6 Sock Stack men's jersey boxer shorts with cotton-rich fabric, classic fit, breathable design, and button fly.
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Size
SMLXLXXL
Vendor: Sock Stack

Sock Stack Mens Jersey Boxer Shorts Cotton Rich Button Fly Pack Of 6 Everyday Comfort

Regular price £15.00 GBP
Sale price: £15.00 GBP Regular price: Sale: -0%
In stock, 20001 units
Pack of 6 Sock Stack men's printed cotton blend briefs with elastic waistbands, featuring plain, dot, and stripe designs.Six pairs of Sock Stack men's printed cotton blend briefs with elastic waistbands, featuring various plain, dot, and stripe designs.
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Size
SMALLMEDIUMLARGEX-LARGEXX-LARGE
Vendor: Sock Stack

Sock Stack Pack Of 6 Men's Printed Cotton Blend Briefs Classic Fit Underwear Multipack Cotton Rich Comfort Fit

Regular price £14.00 GBP
Sale price: £14.00 GBP Regular price: Sale: -0%
In stock, 705 units
ASSORTED ASSORTED
Six-pack of Sock Stack men's dark assorted cotton stretch boxer shorts with breathable fabric and elastic waistband.
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Size
SMLXLXXL3XL4XL5XL
Vendor: Sock Stack

Sock Stack 6 Pack Men's Dark Assorted Cotton Stretch Boxer Shorts MB04 With Waistband

Regular price £14.00 GBP
Sale price: £14.00 GBP Regular price: Sale: -0%
In stock, 326 units
DARK ASSORTED DARK ASSORTED
Six Sock Stack men's crew neck T-shirts in a pack, short sleeve, cotton blend, slim fit, perfect for everyday casual wear.Six white Sock Stack men's crew neck t-shirts in a pack, short sleeve, slim fit, made of soft cotton blend for everyday wear.
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Size
SMLXLXXL
Vendor: Sock Stack

Sock Stack Men's T-Shirts 6 Pack Crew Neck Short Sleeve Cotton Blend Slim Fit Multipack

Regular price £18.00 GBP
Sale price: £18.00 GBP Regular price: Sale: -0%
In stock, 80 units
Pack of 6 Sock Stack men's cotton briefs with soft waistband, breathable fabric, durable construction, in black, all-day comfortable underwear.Pack of 6 Sock Stack men's cotton briefs with soft waistband, breathable and durable underwear designed for all-day comfort
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Size
SMLXLXXL
Vendor: Sock Stack

Sock Stack Mens Cotton Briefs MB0506 Pack Of 6 Soft Waistband Breathable Durable Everyday

Regular price £14.00 GBP
Sale price: £14.00 GBP Regular price: Sale: -0%
In stock, 322 units
Sock Stack men's jersey boxer shorts pack of 6 with classic fit, printed design, elastic waistband, and button fly.Pack of 6 Sock Stack men's jersey boxer shorts with classic fit, printed design, elastic waistband, and button fly.
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Size
SMALLMEDIUMLARGEX-LARGEXX-LARGE
Vendor: Sock Stack

Sock Stack Men's Jersey Boxer Shorts Pack Of 6 Classic Fit Underwear Stretch Comfort

Regular price £14.00 GBP
Sale price: £14.00 GBP Regular price: Sale: -0%
In stock, 1105 units
ASSORTED ASSORTED
Pack of 5 men's Sock Stack cotton boxer shorts in plus size 2XL, classic fit, breathable fabric, button fly design.Pack of 5 men's Sock Stack cotton boxer shorts in 2XL, classic fit, breathable jersey fabric, with button fly design.
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Size
2XL3XL4XL5XL6XL
Vendor: Sock Stack

Sock Stack Pack Of 5 Mens Jersey Plus Size Boxer Shorts Cotton Classic Fit Underwear 2XL

Regular price £10.00 GBP
Sale price: £10.00 GBP Regular price: Sale: -0%
In stock, 110 units
Two-pack men's thermal T-shirts by Heatwave Thermalwear, insulated brushed yarn base layer, white, black, grey, and navy, size S to XXL.Heatwave Thermalwear plus size men's thermal trousers, insulated long johns for outdoor sports, running, hiking, and workwear in black.
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Size
3XL4XL5XL6XL

Heatwave Thermalwear Mens Plus Size Thermal T Shirts Pack Of 2 Black Insulated Brushed

Regular price £13.00 GBP
Sale price: £13.00 GBP Regular price: Sale: -0%
Only 1 unit left
BLACK BLACK

Men's Underwear from Sock Stack Cotton Boxers Briefs Trunks and Everyday Essentials

Discover everyday comfort and practical value with the Sock Stack Men’s Underwear collection, featuring cotton rich boxer shorts, trunks, briefs, Y-front underpants and loose fit woven boxers in a wide range of multipack options for everyday wear. Choose from classic men’s boxer shorts in cotton stretch, organic cotton, cotton blend and jersey fabrics, with plain, striped, ribbed and assorted designs available in practical packs of 5, 6, 7 and 12 pairs. For a traditional fit, explore men’s cotton briefs and Y-front underpants with soft stretch waistbands, breathable fabrics and classic everyday designs, while trunk style boxer shorts offer a closer fit with plenty of stretch for daily wear. The collection also includes loose fit woven boxers with button flies and comfort waistbands, ideal for men who prefer a more relaxed underwear style. Stock up on essential basics with plus size men’s boxer shorts and underwear available in larger sizes, alongside multipacks that make it easy to refresh your everyday wardrobe. For colder weather, Heatwave Thermalwear provides men’s thermal underwear sets, long johns, thermal T-shirts and long sleeve thermal base layer tops designed for winter layering, outdoor work and cold-weather activities. Complete your everyday essentials with men’s cotton blend T-shirts, gym vests and stretch cotton lounge shorts, offering versatile options for layering, relaxing and casual wear. Whether you are looking for men’s cotton boxers, boxer shorts multipacks, briefs, Y-front underwear, trunks, thermal underwear or everyday basics, Sock Stack offers practical styles for different preferences and needs. Shop men’s underwear online with free UK delivery on orders over £22 and fast UK dispatch on every order.