The arm sleeve is made of premium soft fabrics,70% Nylon and 30% Spandex. It can block out as high as 97% of harmful UVA and UVB rays to prevent sunburn, skin aging. Extremely elastic material cooling arm sleeves cooler than bare skin.High performance fabric can fast sweat kick-away and fast dry, ensure outstanding comfort and make your skin fresh all day long. Arm sleeves are suitable for most people's arms, without any pressure or discomfort.
