The 32 Degrees Kids Heat Base Layer Set in size M-8/10 is a black long sleeve shirt and leggings set made from a blended fabric of polyester, spandex, rayon, and acrylic. This base layer set is machine washable and features mild compression for a comfortable fit. With anti-odor, quick-dry, and heat retention properties, this set is ideal for outdoor activities in colder weather, providing both warmth and flexibility for active kids. Made by the brand 32 Degrees, this set offers stretch comfort and a soft hand feel for added comfort.