Zoot Sports Women's Performance Thermomegaheat Hoodie Body: 237 g. megaheatTHERMO-96% polyester/ 4% spandex Insets: 139 g. MICROlite+100% polyester Imported MegaheatThermo fabric provides warmth without weight Microlite+ fabric insets to dump excess heat Thumb hole loops for warmth when you need it