Our lightest running hat to date - the Wymondham transcends traditional running apparel. Trusted Aquasealz™ technology combines complete waterproofness with breathability. A rear velcro size adjustor ensures a close fit. Can be tucked away in a pocket thanks to a foldable peak. UV protection of SPF 40+. Reflective detailing makes running at night safer. A premier running hat with a meticulous attention to detail.