The Wave Rider Sports Cap is a must-have hat for the water. Our Aqua Classic™ fabric gives it a 4-way stretch while an adjustable elastic cord and toggle lets you customize its fit. This UPF 50+ swim hat features an innovative “no impact zone” that protects your forehead so you can stay focused on your activity! UPF 50+ Unisex "No impact zone" cutout in inner bill to protect forehead from any impact Elastic cord and toggle at back for adjustability Aqua Classic™ fabric: Chlorine and saltwater resistant with 4-way stretch S/M size