Best-selling training cap that wicks sweat, vents heat, and protects critical areas with UPF 50+ sun protection. The best-selling Swift Cap is for more than just training. Providing UPF 50+ sun protection on the crown of your head, and a full mesh liner for superior ventilation in warm weather, the Swift Cap packs in function and performance. Its shaped brim and nylon panels offer serious protection from the sun for runners and hikers, and its low profile fits nicely under a helmet for climbers and ski tours. Plus, weighing in at only 2.5 ounces, it&&';;s ideal for the ounce-counting backpacker and thru-hiker. Details Water ResistantBreathableLightweightWickingQuick DryingTransAction(TM) HeadbandUPF 50+ Features Dark Fabric Under BrimMesh PanelsQuick Release Buckle BackReflective Logo On Colorways With Reflective in Name. Embroidered Logos on Other Colorway