Coolibar UPF 50+ Men's Long Sleeve High Tide Swim Shirt - Sun Protective 100% Polyester Pull On closure UPF 50+ - protects against 98% of UVA and UVB rays Aqua SUNTECT&reg;: Chlorine and saltwater resistant with 4-way stretch Crew neck and drop tail hem with gripper elastic to keep shirt in place; Swim short connecting loop at inside of front hem and back pocket Easy care: machine wash, line dry; Imported Recommended for swimming and water sports like snorkeling, surfing and waterskiing