Coolibar UPF 50+ Kids' Long Sleeve Surf Shirt - Sun Protective Polyester/Spandex Pull On closure UPF 50+ - protects against 98% of UVA and UVB rays Aqua SUNTECT&reg;: Chlorine and saltwater resistant with 4-way stretch Stand-up collar for extra neck protection, flat lock seams to prevent chaffing, and lining at front to prevent see-through on girls colors only Straight hem with gripper elastic to keep shirt in place; Cold rinse after use, Easy care: machine wash warm, line dry; Imported Recommended UPF 50+ sun protection for all kids who are ready to splash in the water