Durable all-weather synthetic stock

and more accurately

Some of the winningest riders in history put their faith in the Oakley O-Frame

Fully moulded Polar Rubber™ outsole for maximized grip and longevity of boot at cold temperatures

A vintage-inspired fit

Otter Aviator Leather and Fur Hat color-black-white Durable all-weather synthetic stockAll our bomber hats have leather tops and tie straps. We use the Best Quality of leather and fur to ensure years of rugged good looks and comfort. Small 21 1 2" 21 7 8" Medium 22 1 4" 22 5 8" Large 23" 23 1 2" XL 23 7 8" 24 1 2" XXL 24 1 2" 25 7 8" Most accurate way to measure is to wrap a tape measure around the head, above the ears and meet in the middle of the forehead.