Pith HelmetsSun Protection: Tactical style design protects your head and face from the sun during outdoor adventures. Adjustable Comfort: One size fits most (6 1 2 7 3 4) with an adjustable hook and loop strap for a secure and comfortable fit. Waterproof Design: Crafted from high density polyethylene, providing reliable waterproof sun protection. Removable Sweatband: Terry cloth sweatband, secured with hook and loop, ensures added comfort and easy maintenance.