90% Recycled Polyester / 10% Elastane Collar Short Sleeves 3 Button Placket Engineered Stripe Design Stretch Model Is 6'1" And Wears Size M Machine Wash Opti-Dri™Transfers moisture away from your body to keep you cool and dry. Swing Tech™Made to maximize your range of motion on every swing, Swing Tech provides noticeably less restriction through re-engineered construction and materials.