DESCRIPTION When you put on a hat, your're shading your face and eyes from the sun's glare. Your neck and ears are still vunerable to the sun's harmful rays though. With Outdoor Research's Sun Runner Cap you can take care of those vunerable areas. The Cap isn't mutually exclusive to full coverage. You can remove the cape when you want just the hat. DETAILS Soft, breathable Supplex nylon fabric is lightweight and offers UPF 30+ protection Stiffened bill and removable cape offers full protection for your neck, eyes and face CoolMax polyester inner headband wicks away moisture to keep sweat out or eyes Mesh side panels allow ventilation and can be covered by cape for added protection Hook-and-loop adjustable back band and adjustable cinch-cord provide a secure fit SPECS Best Use:  Multisport Material:   Nylon UPF Rating:   30+ Length of Bill:   2.5 in *SIZING* Small fits 12 5/8 in Medium fits 22 1/2 in Large fits 23 1/4 in XLarge fits 24 in Learn more about Sun Protective Clothing and UPF Ratings on the MHO Blog.