●85% Polyester, 15% Spandex ●Imported ●New tech material:(1*crew Neck & 1*turtle Mock Neck & 1*pant) ; Multiple combinations, freely combined to meet multiple needs at once. ●Strong Power for Heat Retention: these long johns for men are specially designed for cold winter days, keep you warm for outdoor activities. ●Moisture Wicking: our mens thermal underwear set use quick drying light weight fabrics, will help you keep dry and warm all day ●Name brand quality with unbeatable price, TELALEO mens long sleeve thermal baselayer get great performance on locking heat and keep warm. ●[Versatile use] suitable for indoor and outdoor activities such as cycling, running, basketball, baseball, cross training, jogging, skating, fitness, ice hokey.