65% Polyester / 30% Recycled Polyester / 5% Elastane. Stretch. Upf 50 Sun Protection Fabric. Jersey Fabrication. Self-Fabric Collar. Chroma Stripe Mesh Trim. Short Sleeves. Model Is 5'7" And Wears Size Small. Machine Wash. Swing Tech™. Made to maximize your range of motion on every swing, Swing Tech provides noticeably less restriction through re-engineered construction and materials.. Opti-Dri™. Transfers moisture away from your body to keep you cool and dry. UV Block. Keep your skin safe from the sun's harmful rays with our UPF50 rated fabric.