beautyin Seamless Thermal Underwear for Kids Athletic Long Base Layer Girls Boys Top Bottom Set with Thumbhole

Fabric type: 90% Nylon, 10% SpandexCare instructions: Hand Wash OnlyOrigin: ImportedHeat Retention Fabric: Thermal underwear set is of medium thickness. It keeps kids thermal without feeling bulky, making it a cold weather essentialProfessional Seamless Design: Smooth knitting process avoids chafing on kids' skin. It also reduces seams to prevent heat loss and keep body temperature more stableQuick-drying: Our thermal fabric actively pulls sweat away from skin to keep kids dry during winter play or snowy adventures. No more damp discomfortThumb hole Design: Engineered thumb hole cuffs provide secure coverage, preventing sleeve ride-up while retaining core warmth.Great for active kids in cold weatherVersatile for Any Activity: From bedtime and sleepovers to high-energy fun like skiing, hiking, and camping. The stretchable fabric ensures freedom of movement Perfect for everyday use. superior materials and excellent craftsmanship ensure long-lasting durability.