Underwear
Explore our latest collection of boys' underwear at Marks and Spencer. Each piece is designed with soft fabrics and careful stitching to ensure maximum comfort and long-lasting wear. From classic cotton briefs to playful patterned boxers, our range ensures a snug fit and durability, ideal for active boys.
Read More Read Less3pk Cotton Rich with Lycra® Trunks (6-16 Yrs)
3pk Cotton Rich With Stretch Plain Trunks (6-16 Yrs)
3pk Pure Cotton Long Sleeve Vests (2-14 Yrs)
4pk Pure Cotton Short Sleeve Vests (2-14 Yrs)
10pk Pure Cotton Briefs (2-14 Yrs)
5pk Cotton with Stretch Plain Trunks (5-16 Yrs)
3pk Cotton Rich with Stretch Plain Trunks (6-16 Yrs)
5pk Cotton With Stretch Checkerboard Trunks (5–16 Yrs)
3pk Cotton with Stretch SmileyWorld® Trunks (5-16 Yrs)
5pk Cotton with Stretch Trunks (5-16 Yrs)
5pk Cotton with Stretch Trunks (5-16 Yrs)
5pk Cotton with Stretch Camo Trunks (5-16 Yrs)
10pk Pure Cotton Striped Briefs (2-14 Yrs)
5pc Cotton with Stretch Trunks (5-16 Yrs)
5pk Pure Cotton Spider-Man™ Briefs (2-8 Yrs)
5pk Cotton with Stretch Plain Trunks (5-16 Yrs)
3pk Cotton with Stretch Sonic™ Trunks (5-16 Yrs)
5pk Cotton with Stretch Coloured Waistband Trunks (5-16 Yrs)
5pk Cotton with Stretch Gamer Trunks (5-16 Yrs)
5pk Cotton with Stretch Shark Trunks (5-16 Yrs)
7pk Pure Cotton Car Print Briefs (2-8 Yrs)
3pk Cotton with Stretch Sonic™ Trunks (5-16 Yrs)
5pk Cotton with Stretch Slogan Trunks (5-16 Yrs)
5pk Cotton Rich Football Trunks (5-16 Yrs)
3pk Cotton Rich Garfield™ Trunks (5-16 Yrs)
3pk Cotton Rich Spider-Man™ Trunks(3-10 Yrs)
5pk Cotton with Stretch Trunks (5-16 Yrs)
5pk Pure Cotton Plain Vests (2-14 Yrs)