Oakley Men's Hazard Block Sweater 97% Nylon/3% Spandex Imported Sweater knit with engineered hazard bar design through center body and sleeves. Contrast knitted hazard bar detail on wearer's right sleeve. Embroidered front ellipse and back wordmark branding O hydrolix fabric manages moisture and dries quickly to help keep you comfortable Anti-bacterial action reduces odor-causing microbes