The collar can be turned up and secured in place for extra protection against the sun and the vertical chest pockets also function as ventilation openings

Mix of flatlock and simple no-hem seams optimize layering and prevent chafing

The upper includes an internal impact protection toe

support and a blister-free fit from day one

the entry of the foot and the fit

oakley hydra crystal black prizm violet 0oo9229 04 7840006113717 Size:ONE SIZE The collar can be turnedOakley Hydra Crystal Black W Prizm Violet. Oakley taps into its surfing heritage with Hydra, a Razor Blades inspired, semi rimless sunglass with a shield lens. Featuring the Oakley B1B logo on the temples, Hydra is accentuated by a modern trigger stem design, reminiscent of Razor Blades' origins in surf culture. A plant based BiO Matter* frame and three point fit helps provide balanced fit and comfort while Prizm Lens Technology enhances color and