For early starts, late finishes, and everything in between. The Walero Active Half Zip is built for movement, made with ultra-soft, antimicrobial fabric and advanced Outlast® tech developed by NASA to keep your temperature just right. Flatlock seams and ergonomic thumb holes ensure all-day comfort, while a recycled YKK zip and soft chin guard give you a clean finish at the neck. Wear it layered up or on its own, it’s ready when you are.