The Ultimate Lightweight Performance Cap is one of our premier athletic caps. The PN-100 is made of moisture wicking polyester and features a UPF rating of 50+. This cap is lightly structured and is equipped with a micro hook/loop tape closure for a comfortable fit while being active. 7 different colors offers plenty of opportunities for customization.Low Crown. Moisture Wicking Polyester. Solid Back Panels. Lightly Structured. Pre-Curve. Hook/Loop Tape. UPF Rated 50+.