Loose: Fuller cut for complete comfort. Smooth, soft anti-pick, anti-pill fabric has a cleaner, snag-free finish. 4-way stretch construction. Material wicks sweat & dries fast. Anti-odor technology. UPF 30 sun protection. Durable rib-knit collar. Performance fit Body: 5.4 oz. 95% Polyester/5% Elastane. Collar: 100% Polyester. Imported. PRODUCT IS BEING DISCONTINUED. PLEASE SEE AVAILABLE SIZES LISTED BELOW NEXT TO COLOR OPTIONS. (12/27/23). Complies with Prop 65.