56% Polyester / 30% Recycled Polyester / 14% Elastane. Collar. Short Sleeves. 3 Button Placket. Engineered Stripe Design. Stretch. Upf 50 Sun Protection Fabric. 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.