The rabbit Elite Hat - Chicago 2024 from BOCO has a bill that mimics a baseball cap for greater sun and gear protection. There are laser cut vents on the top and back of the hat for ventilation. Lightweight wicking woven polyester material provides a layer of protection from mother nature on the top two panels. Dry Tech polyester mesh side gussets on the top keep your head cool for the length of your workout. Lined with a soft polyester mesh wicking sweatband. Adjustable back- velcro Laser cut venting Curved bill Machine washable