100% Polyester Imported Pull On closure Machine Wash 【SUN PROTECTION - ENJOY THE SUN SAFELY 】- UPF 50+ fabrication protects the skin during outdoor activity by blocking harmful UVA and UVB, delivers a relaxed fit for all-day comfort. If you enjoy outdoor activities, this is the best one for you! 【MOISTURE WICKING TECHNOLOGY】 - KEEPS YOU DRY & COMFORTABLE -lightweight, breathable, moisture-wicking fabric keeps you dry and cool feeling, suitable for sports & outdoor activities, like hiking, golf, fishing, traveling, boating, climbing, running, workout, etc. 【CREW NECK】- Crew-neck offer excellent sun protection and flatlock seams offer no-chafe comfort, ideal for outdoor activities like golf, fishing, hiking, traveling, boating, climbing, running, workout, etc.