X-static is a high performance fiber with a 99.9% pure silver layer permanently bonded to the surface of the textile fabric ,8% polyester, 14% lycra, 6% nylon, 5% x-static ,Silver gives x-static unparalleled anti-odor, anti-bacterial and heat regulation qualities ,Medalist''s signature skinetics moisture transport system which rapidly wicks moisture away from your skin and pushes it out over a wider surface area for quick evaporation ,Skinetics dries faster than other competitive products ,Superior thremal insulation ,Microfiber comfort ,Durable flatseam technology ,*CLEARANCE*