Description: 360º of Great Outdoor Coverage Make your own shade with the Burton Greyson GORE-TEX Infinium Boonie Hat. Perfect for hikes, rafting, sun-shiny spring sessions, you name it. This one should be in your bag. Features: Low-Profile Fit The low-profile fit conforms to your head and it's available in two sizes: S/M fits heads up to 57cm (22.5 in), and L/XL fits heads up to 59cm (23.25 in) Flexible and Comfortable GORE-TEX Infinium™ is soft and flexible for a natural moving feel that also sheds light precip. A Cinch to Wear The cinch cord with cord lock should do the trick. Low Environmental Impact Bluesign® approved materials reduce impact on humans and the planet during manufacturing. Tech Specs: Fit Low Profile Fit Features + Tech Adjustable Cinch Cord and Cord Lock Elastic Sweatband Low Profile Fit Imported Yes Fabric 100% Polyester Warranty Lifetime Warranty Burton Greyson Gore-Tex Infinium™ Boonie Hat - True Black