Boys' Base Layers & Thermals sort Recommended have been applied
Save Balconette bikini top to favourites
Save Asymmetric top to favourites Enlarge available colours
Save Chenille-knit jumper to favourites Enlarge available colours
Save Draped one-shoulder top to favourites Enlarge available colours
Save Knitted hoodie to favourites
Save MAMA 3-pack nursing strappy tops to favourites 3 pcs | €11.66 /pc
Enlarge available colours +5
Save Flared Low Jeans to favourites Enlarge available colours +2
Save Cotton-blend sweatpants to favourites Enlarge available colours +4
Save Long-sleeved jersey top to favourites Enlarge available colours +5
Save Ribbed jersey top to favourites
Save Oversized sweatshirt to favourites Enlarge available colours +3
Save MAMA Before & After Babywearing teddy jacket to favourites Enlarge available colours +3
Save Lyocell-blend blazer to favourites Enlarge available colours
Save Ribbed cotton top to favourites Enlarge available colours +2
Save Long-sleeved microfibre top to favourites Enlarge available colours +4
Save Wide Ultra High Jeans to favourites Enlarge available colours +1
Save Brushed-inside joggers to favourites Enlarge available colours +9
Save MAMA Ribbed top to favourites Enlarge available colours +2
Save Brushed-inside leggings to favourites Enlarge available colours +10
Save Oxford shirt to favourites Enlarge available colours +1
Save Rib-knit jumper to favourites Enlarge available colours
Save Oxford shirt to favourites Enlarge available colours +1
Save MAMA Straight Ankle Jeans to favourites Enlarge available colours +3
Save Print-motif sweatshirt to favourites Enlarge available colours +3
Save Brushed-inside joggers to favourites Enlarge available colours +9
Save MAMA 3-pack nursing strappy tops to favourites 3 pcs | €11.66 /pc
Enlarge available colours +5
Save Ribbed cotton top to favourites Enlarge available colours +2
Save Flared leggings to favourites
Save Brushed-inside joggers to favourites Enlarge available colours +10
Save Seamless Light Shape Body to favourites Enlarge available colours
Save Relaxed Fit Sweatpants to favourites Enlarge available colours +5
Save Cotton Henley top to favourites H&M Adorables Enlarge available colours
Save 5-pack hipster briefs to favourites 5 pcs | €4.00 /pc
Enlarge available colours +2
Save Wide High Jeans to favourites CHRISTMAS 2025 Enlarge available colours +2
Save 5-pack anti-slip socks to favourites 5 pcs | €1.40 /pc
Enlarge available colours +6
Save Cotton sweatshirt joggers to favourites Enlarge available colours +11 Boys' Base Layers & Thermals Keep him warm no matter the weather with our edit of boys’ base layers and thermals. Designed to retain heat and keep him cosy round the clock, our edit has his comfort levels covered whether he's spending the day outdoors or simply needs an extra layer under his everyday outfits. Discover all our boys’ outerwear or browse for boys’ ski wear .
HM.com / Kids / Boys 2-8Y Outerwear / Base Layers 
