A4 Men's 9" Moisture Management Pocketed Short 100% Polyester Interlock, 4.0 ounces 100% POLYESTER - This jersey is made out of 100% polyester. Made for athletes, to create a warm and breathable jersey that does not limit mobility. MOISTURE WICKING - Innovatively designed to bring the moisture from your body to the exterior for evaporation, allowing you to stay cool and dry. STAIN RELEASE MATERIAL - Stains are no issue with this jersey . Just one wash will lift deep stains, dirt and sweat and blood from the fabric of the jersey. UPF 30 UV PROTECTION - The jersey fabric provides protection from the sun with 30+ UPF UV protection. SNUG WAIST - These shorts contain a 1.5 inch elastic waistband and inside draw cord to ensure that your shorts will remain securely on your waist through the toughest activities.