Fit & Design: Single Layer Engineering for quick-drying comfort and performance Wicks away moisture to keep you cool and dry Drop shoulder design for comfortable movement Flat seams and no tag for irritation-free wear Self fabric cuffs 6.5 oz. microfiber/polyester construction Technology: SILVADUR(TM) Intelligent Freshness controls odors and bacteria growth for lasting freshness Additional Details: Imported Fabric : 85% Microfiber Polyester / 15% Spandex