SweatVac Performance Race Hat 1.6" high 3.9" wide Fast drying DriSmart shell keeps you cool, dry, and protected from harmful UV rays Transpor liner wicks perspiration and keeps sweat from running into the eyes Reflective technology on brim and back fastener for visibility Black fabric under brim reduces glare Comfort-fit stretch fastener system Ultra lightweight at less than 2oz. Certified UPF 40+ sun protection Machine washable