90% Polyester / 10% Elastane. Stretch Fabric. Opti•Dri™ Moisture Wicking. Swing Tech™. Upf 50 Sun Protection Fabric. Water Repellent Protects You Against The Elements. Aquapel Water Resistant Finish. Blocked Design. Chin Guard. Opti Dri™ Moisture Wicking. Callaway Tour Logo On Right Sleeve. 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.