●90% Polyester, 10% Spandex ●Imported ●Elastic,Belt closure ●Elastic: This girls thermal underwear set is made of high-elasticity fabric, which has a good fit and high comfort. ●Quick-Dry: With moisture-absorbing and quick-drying properties, it can absorb sweat instantly and keep the childs body surface dry. ●Warmth: This sports childrens base layer suit is designed with a mid-collar, which can effectively enhance the windproofness and warmth of the childs neck during outdoor sports in winter. ●Ergonomic: The soft wide belt design reduces the discomfort caused by the concentrated pressure of the waist elastics on the body. ●Sporty: Different from the contrasting color design of underwear, suitable for indoor and outdoor.