Boys’ Underwear at M&S IE

Discover trusted everyday essentials in our boys’ underwear collection. We craft our boys’ undies from breathable, cotton-rich fabrics that feel gentle on their skin. Meanwhile, elasticated waistbands and added stretch ensure all-day comfort and easy movement. Look out for handy multi-packs that make it simple to stock up on their favourite style. If it’s time for a wardrobe refresh, why not check out our boys’ clothing collection to find everything he needs for the new season?

Browse our boys’ pants to find a selection of playful prints and designs that bring some fun to everyday dressing. You’ll find briefs for boys featuring beloved characters including Spider-Man™ and Sonic the Hedgehog™, as well as timeless patterns such as cars, tractors and animals. Shopping for older wearers? Our boys’ trunks are a comfy and supportive option. You can choose boys’ black underwear for a smart and practical look, or opt for boys’ underwear in white for a crisp and contemporary feel.

When the weather turns chilly, our selection of boys’ thermals helps youngsters stay toasty. We have thermal tops in a choice of insulation levels to provide extra warmth round their core. Vest and T-shirt styles are a lighter option, while long-sleeved designs offer maximum protection for the chilliest days. You’ll find white and cream pieces for wearing under light-coloured outfits as well as black, brown and navy options to pair with darker clothes. Meanwhile, our thermal bottoms are crafted from brushed materials that combine exceptional cosiness with a snuggly feel on their skin.

Boys’ Underwear

2pk Heatgen™ Thermal Tops (2-14 Yrs)

5pk Pure Cotton Plain Vests (2-14 Yrs)

2pk Heatgen™ Thermal Tops (2-14 Yrs)

2pk Heatgen™ Thermal Tops (2-14 Yrs)

5pk Pure Cotton Plain Vests (2-14 Yrs)

2pk Heatgen™ Thermal Tops (2-14 Yrs)

2pk Heatgen™ Thermal Waffle Bottoms (2-14 Yrs)

2pk Heatgen™ Thermal Vests (2-14 Yrs)

2pk Heatgen™ Thermal Tops (2-14 Yrs)

2pk Heatgen™ Thermal Tops (2-14 Yrs)

7pk Pure Cotton Dino Briefs (2-8 Yrs)

10pk Cotton with Stretch Trunks (5-16 Yrs)

5pk Pure Cotton Vests (2-14 Yrs)

5pk Pure Cotton Bluey™ Briefs (2-8 Yrs)

5pk Spider-Man™ Vests (2-8 Yrs)

5pk Cotton with Stretch Trunks (5-16 Yrs)

4pk Pure Cotton Short Sleeve Vests (2-14 Yrs)

7pk Pure Cotton Car Print Briefs (2-8 Yrs)

5pk Pure Cotton Vests (2-14 Yrs)

10pk Pure Cotton Briefs (2-14 Years)

2pk Heatgen™ Thermal Waffle Tops (2-14 Yrs)

5pk Cotton with Stretch Slogan Trunks (5-16 Yrs)

3pk Cotton with Stretch Sonic™ Trunks (5-16 Yrs)

5pk Cotton with Stretch Plain Trunks (5-16 Yrs)

10pk Pure Cotton Briefs (2-14 Yrs)

2pk Heatgen™ Thermal Vests (2-14 Yrs)

5pk Cotton Rich Trunks (8-16 yrs)

5pk Cotton Rich Trunks (8-16 Yrs)

4pk Pure Cotton Short Sleeve Vests (2-14 Yrs)

3pk Pure Cotton Long Sleeve Vests (2-14 Yrs)

7pk Pure Cotton Animal Print Briefs (2-8 Yrs)

5pc Cotton with Stretch Trunks (5-16 Yrs)

5pk Cotton Rich Football Trunks (5-16 Yrs)

10pk Cotton With Stretch Trunks (5–16 Yrs)

5pk Cotton with Stretch Gamer Trunks (5-16 Yrs)

5pk Cotton with Stretch Plain Trunks (5-16 Yrs)

3pk Cotton Rich Spider-Man™ Trunks(3-10 Yrs)

2pk Heatgen™ Thermal Vests (2-14 Yrs)

Lilo & Stitch™ Thermal Pyjamas (2-12 Yrs)

Avengers™ Thermal Pyjamas (2-12 Yrs)

10pk Pure Cotton Core Brights Briefs (2-14 Yrs)

5pc Cotton Rich Trunks (5-16 Yrs)

10pk Cotton with Stretch Trunks (5 - 16 Yrs)

5pk Cotton with Stretch Trunks (5-16 Yrs)

5pk Cotton with Stretch Shark Trunks (5-16 Yrs)

5pk Pure Cotton Spider-Man™ Briefs (2-8 Yrs)

5pk Cotton with Stretch Camo Trunks (5-16 Yrs)

5pk Cotton with Stretch Trunks (5-16 Years)