Boys’ Thermal Base Layers sort Recommended have been applied
Save Fleece-lined Balaclava to favourites Enlarge available colours +1 Items marked Final Sale cannot be exchanged or returned in stores or online.
Final Sale Save Sweatshirt Dress to favourites Enlarge available colours +1
Save Rib-Knit Cotton Sweater to favourites Enlarge available colours +1
Save Printed T-Shirt to favourites Enlarge available colours +6
Save Dance Leotard with Tulle Skirt to favourites Enlarge available colours
Save Loose-Fit Sweatpants to favourites Enlarge available colours +2
Save Brushed-Inside Joggers to favourites Enlarge available colours +6
Save Loose-Fit Sweatpants to favourites Enlarge available colours +2
Save Regular Fit T-shirt to favourites Enlarge available colours +11
Save Slim Fit T-shirt to favourites Enlarge available colours +2
Save Loose-Fit Sweatshirt to favourites Enlarge available colours +11
Save Brushed-Inside Joggers to favourites Enlarge available colours +6
Save Regular Fit T-shirt to favourites Enlarge available colours +11
Save Loose Fit Hoodie to favourites Enlarge available colours +13
Save Midi Skirt to favourites Enlarge available colours +5
Save Printed Jersey Top to favourites Enlarge available colours +4
Save Fine-Knit Cardigan to favourites Enlarge available colours +5
Save Brushed-Inside Joggers to favourites Enlarge available colours +6
Save Cropped Fluffy Jacket to favourites
Save Oversized Brushed-Inside Sweatshirt to favourites Enlarge available colours +5
Save Regular Fit Half-Zip Sweater to favourites Enlarge available colours
Save Oversized Brushed-Inside Sweatshirt to favourites Enlarge available colours +5
Save Relaxed Fit Sweatpants to favourites Enlarge available colours +5
Save Lace-Trimmed Satin Skirt to favourites
Save Draped Viscose Top to favourites Enlarge available colours
Save Slim Fit T-shirt to favourites Enlarge available colours +2
Save Brushed-Inside Joggers to favourites Enlarge available colours +6
Save Regular Fit Half-Zip Sweater to favourites Enlarge available colours
Save Hoodie to favourites Enlarge available colours +6
Save Harper High Rise Wide Leg Jeans to favourites Enlarge available colours +12
Save Fine-Knit Cardigan to favourites Enlarge available colours +5
Save 5-Pack Jersey Tank Tops to favourites Enlarge available colours +1
Save Relaxed Fit Sweatpants to favourites Enlarge available colours +5
Save Oversized Brushed-Inside Sweatshirt to favourites Enlarge available colours +5
Save Loose Fit Half-Zip Sweatshirt to favourites Enlarge available colours +2
Save Cable-Knit Cardigan to favourites Enlarge available colours +1 Boys’ Thermal Base Layers Keep him warm no matter the weather with our edit of boys’ base layers and thermals. Designed to retain heat and keep him cozy 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 
