Hot Chillys Youth Originals Toddler Base Layer Set - Originals are a long time favorite, now available in toddler sizes! The thermal long underwear for toddlers are made with spun polyester yarns for a soft hand feel and spandex giving it a 4-way stretch. The close body fit reduces bulk, and the Moisture Transfer Fibers wick away moisture to keep skin dry and warm. Moisture Transfer Fibers help keep kids dry Body fit design for next-to-skin performance fit Easy and comfortable feeling Crew neckline with self binding Covered elastic waistband Fun contrast flat seam Cuffs for added fit and warmth UPF 30+ protection 4-way stretch Midweight warmth, body fit Style: HC9643