85% Polyester, 15% SpandexImportedNew 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 dayName brand quality with unbeatable price, TELALEO mens long sleeve thermal baselayer get performance on locking heat and keep warm.[Versatile use] suitable for indoor and outdoor activities such as cycling, running, basketball, baseball, cross, jogging, skating, fitness, ice hokey. Fit & Care Winter Gear Sports Base Layer