The classic Buff ® Headband gets a brand new foldable bill. For years, professional and amateur athletes have relied on Buff headbands to help manage sweat on summer's hottest days. Now Buff ® have added a foldable bill with shape memory to create a one-of-a-kind visor. Can be easily and quickly stowed away in your pack or pocket and then voila when removed the brim magically springs back to life. Made with Coolmax fabric it helps keep you cool when things get hot, is super lightweight, stretchy and comfortable. All with the added benefit of protection against UV rays.