Nylon + spandex.Breathable sweat， double cool， healthy material， strong uv protection.Double cool and breathable， comfortable and not tight hands， prevent sliding and curling， delicate and elastic.Occasions:Vacation， cycling， shopping， outdoor， camping， office etc.This highly stretchable， neutral sport sleeve is designed to fit all shapes and sizes， and our chemical-free material is very safe for children. Great basketball gifts， golf gifts for men， fishing gifts for men， gardening gifts for women