56% Polyester / 30% Recycled Polyester / 14% Elastane Upf 50 Sun Protection Fabric 1/4 Zip With Mock Neck Neck Closure Tonal Overlocked Seams Small Chev Back Collar Ventilated Stretch 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. UV Block Keep your skin safe from the sun's harmful rays with our UPF50 rated fabric.