Feel fast and light in the Ossa 1/2 Zip Hoody | Built for summer hikes and high-exposure days, its athlete-inspired silhouette minimizes bulk without compromising on coverage | Breathable, UPF 50+ stretch nylon feels cool and light on your skin, while the integrated StormHood™ shields your head and neck | When temperatures peak, the half-zip allows for easy venting—no need to shed layers mid-hike.