The ClimateRight By Cuddl Duds Spider-Man Boys Warm Underwear Set in size L(10-12) is a fun and functional addition to any young superhero fan's wardrobe. Made from a blend of polyester and spandex, these long johns feature moisture-wicking technology to keep your little one warm and dry. The multicolor design and Spider-Man character theme make these underwear both stylish and comfortable for everyday wear. Easy to care for with machine washable instructions, this pack includes one set of warm underwear perfect for keeping kids cozy during the colder months.