Boys’ Underwear
Our boys’ underwear collection is packed with practical choices. Trunks and briefs come in handy multi-packs and are crafted in cotton-rich fabrics to be gentle on young skin. Fun character motifs will appeal to tots, while crisp stripes and cool camouflage patterns are ideal for older kids. Choose thermal vests for chilly-day layering, and enjoy free delivery over €50
- M&S Collection
5pk Cotton Rich Coloured Waistband Trunks (5-16 Yrs)
Current Price
€13M&S Collection5pk Cotton Rich Coloured Waistband Trunks (5-16 Yrs)
Average rating: 4.0 out of 5
- M&S Collection
5pk Cotton with Stretch Gaming Trunks (5-16 Yrs)
Current Price
€16 - €17M&S Collection5pk Cotton with Stretch Gaming Trunks (5-16 Yrs)
Average rating: 4.92 out of 5
- M&S Collection
5pk Cotton with Stretch Trunks (5-16 Years)
Current Price
€13M&S Collection5pk Cotton with Stretch Trunks (5-16 Years)
Average rating: 4.33 out of 5
- M&S Collection
5pk Cotton Rich Plain Trunks (2-16 Yrs)
Current Price
€13M&S Collection5pk Cotton Rich Plain Trunks (2-16 Yrs)
Average rating: 4.0 out of 5
- M&S Collection
5pk Cotton Rich Camo Trunks (5 - 16 Yrs)
Current Price
€16 - €17M&S Collection5pk Cotton Rich Camo Trunks (5 - 16 Yrs)
Average rating: 4.18 out of 5
- M&S Collection
5pk Pure Cotton Vests (2-14 Yrs)
Current Price
€13M&S Collection5pk Pure Cotton Vests (2-14 Yrs)
Average rating: 4.66 out of 5
- M&S Collection
3pk Cotton Rich with Lycra® Trunks (6-16 Yrs)
Current Price
€13.50M&S Collection3pk Cotton Rich with Lycra® Trunks (6-16 Yrs)
Average rating: 4.78 out of 5
- M&S Collection
5pk Cotton Rich Football Trunks (5-12 Yrs)
Current Price
€16 - €17M&S Collection5pk Cotton Rich Football Trunks (5-12 Yrs)
Average rating: 5.0 out of 5
- M&S Collection
5pk Cotton Rich Trunks (5-16 Yrs)
Current Price
€13M&S Collection5pk Cotton Rich Trunks (5-16 Yrs)
Average rating: 4.52 out of 5
- 3 for 23 for 2M&S Collection
Wave Print Rash Vest (6-16 Yrs)
Current Price
€16M&S CollectionWave Print Rash Vest (6-16 Yrs)
Average rating: 5.0 out of 5
3 for 2 - M&S Collection
5pk Cotton with Stretch Trunks (5-16 Yrs)
Current Price
€13M&S Collection5pk Cotton with Stretch Trunks (5-16 Yrs)
Average rating: 4.79 out of 5
- M&S Collection
7pk Pure Cotton Animal Briefs (2-10 Yrs)
Current Price
€13M&S Collection7pk Pure Cotton Animal Briefs (2-10 Yrs)
Average rating: 4.77 out of 5
- M&S Collection
10pk Pure Cotton Briefs (2-14 Yrs)
Current Price
€13M&S Collection10pk Pure Cotton Briefs (2-14 Yrs)
Average rating: 4.33 out of 5
- M&S Collection
7pk Pure Cotton Dinosaur Briefs (2-10 Yrs)
Current Price
€13M&S Collection7pk Pure Cotton Dinosaur Briefs (2-10 Yrs)
Average rating: 5.0 out of 5
- M&S Collection
3pk Pure Cotton Long Sleeve Vests (2-14 Yrs)
Current Price
€13M&S Collection3pk Pure Cotton Long Sleeve Vests (2-14 Yrs)
Average rating: 4.64 out of 5
- M&S Collection
5pk Cotton Rich Striped Trunks (5-16 Yrs)
Current Price
€16 - €17M&S Collection5pk Cotton Rich Striped Trunks (5-16 Yrs)
Average rating: 4.67 out of 5
- M&S Collection
5pk Cotton Rich Bolt Trunks (5-16 Yrs)
Current Price
€16 - €17M&S Collection5pk Cotton Rich Bolt Trunks (5-16 Yrs)
Average rating: 5.0 out of 5
- M&S Collection
5pk Pure Cotton Vests (2-14 Yrs)
Current Price
€13M&S Collection5pk Pure Cotton Vests (2-14 Yrs)
€2.60 per itemAverage rating: 4.72 out of 5
- M&S Collection
2pk Heatgen™ Thermal Vests (2-14 Yrs)
Current Price
€16 - €17.50M&S Collection2pk Heatgen™ Thermal Vests (2-14 Yrs)
Extra warmthAverage rating: 4.94 out of 5
- M&S Collection
5pk Cotton with Stretch Graffiti Trunks (5-16 yrs)
Current Price
€16 - €17M&S Collection5pk Cotton with Stretch Graffiti Trunks (5-16 yrs)
Average rating: 4.5 out of 5
- M&S Collection
7pk Pure Cotton Sea Life Briefs (18 Mths-7 Yrs)
Current Price
€13M&S Collection7pk Pure Cotton Sea Life Briefs (18 Mths-7 Yrs)
Average rating: 4.6 out of 5
- M&S Collection
10pk Pure Cotton Briefs (2-14 Yrs)
Current Price
€13M&S Collection10pk Pure Cotton Briefs (2-14 Yrs)
Average rating: 4.86 out of 5
- M&S Collection
10pk Pure Cotton Briefs (2-14 Years)
Current Price
€11.50M&S Collection10pk Pure Cotton Briefs (2-14 Years)
Average rating: 4.0 out of 5
- Online OnlyOnline OnlyJACK & JONES JUNIOR
3pk Cotton with Stretch Trunks (8-16 Yrs)
Current Price
€28JACK & JONES JUNIOR3pk Cotton with Stretch Trunks (8-16 Yrs)
Average rating: 5.0 out of 5
Online Only - M&S Collection
2pk Heatgen™ Thermal Short Sleeve Vests (2-14 Yrs)
Current Price
€15 - €16M&S Collection2pk Heatgen™ Thermal Short Sleeve Vests (2-14 Yrs)
Extra warmthAverage rating: 4.83 out of 5
- M&S Collection
5pk Pure Cotton Spider-Man™ Briefs (2-8 Yrs)
Current Price
€13M&S Collection5pk Pure Cotton Spider-Man™ Briefs (2-8 Yrs)
Average rating: 5.0 out of 5
- NewNewM&S Collection
5pk Cotton Rich Trunks (5-16 Yrs)
Current Price
€16 - €17M&S Collection5pk Cotton Rich Trunks (5-16 Yrs)
New - M&S Collection
7pk Pure Cotton Transport Briefs (2-10 Yrs)
Current Price
€13M&S Collection7pk Pure Cotton Transport Briefs (2-10 Yrs)
Average rating: 4.0 out of 5
- M&S Collection
5pk Pure Cotton Cars™ Briefs (2-10 Yrs)
Current Price
€13 - €14M&S Collection5pk Pure Cotton Cars™ Briefs (2-10 Yrs)
Average rating: 5.0 out of 5
- M&S Collection
5pk Cotton with Stretch Trunks (5-16 Yrs)
Current Price
€13M&S Collection5pk Cotton with Stretch Trunks (5-16 Yrs)
Average rating: 5.0 out of 5
- M&S Collection
2pk Heatgen™ Thermal Vests (2-14 Yrs)
Current Price
€13.50 - €15M&S Collection2pk Heatgen™ Thermal Vests (2-14 Yrs)
Extra warmthAverage rating: 4.94 out of 5
- M&S Collection
5pk Pure Cotton Marvel™ Briefs (2-10 Yrs)
Current Price
€13 - €14M&S Collection5pk Pure Cotton Marvel™ Briefs (2-10 Yrs)
Average rating: 4.18 out of 5
- M&S Collection
5pk Cotton Rich Trunks (5-16 Yrs)
Current Price
€16 - €17M&S Collection5pk Cotton Rich Trunks (5-16 Yrs)
Average rating: 4.33 out of 5
- M&S Collection
5pk Cotton with Stretch Dinosaur Trunks (5-12 Yrs)
Current Price
€16 - €17M&S Collection5pk Cotton with Stretch Dinosaur Trunks (5-12 Yrs)
Average rating: 4.33 out of 5
- M&S Collection
5pk Cotton with Stretch Trunks (5-16 Yrs)
Current Price
€13M&S Collection5pk Cotton with Stretch Trunks (5-16 Yrs)
Average rating: 4.43 out of 5
- M&S Collection
3pk Pure Cotton Dinosaur & Plain Vests (2-8 Yrs)
Current Price
€13M&S Collection3pk Pure Cotton Dinosaur & Plain Vests (2-8 Yrs)
Average rating: 5.0 out of 5
