Helly Hansen ALPHA 4.0 The Helly Hansen ALPHA 4.0 men's ski jacket is equipped with thoughtful technical details designed to keep you comfortable throughout your day on the mountain. Thanks to the trusted HELLY TECH® PROFESSIONAL two-layer construction, the Alpha is water resistant/breathable and windproof. PrimaLoft® Black Eco insulation with smart body mapping to keep you warm. Unique H2Flow™ system with strategic mechanical ventilation allows you to retain or release heat as needed. The sharpened and articulated cut of the jacket ensures maximum freedom of movement, allowing you to navigate the mountain with ease. We've added a Life Pocket™ designed to preserve your phone's battery in the cold, so you can keep up with friends or work on the slopes. Premium ski features include: detachable helmet-compatible hood, neon-coloured brim, ski pass pocket, stretchy powder skirt, and wrist warmers with thumb holes. With the environment in mind, the insulation on Alpha is made from 100% recycled materials. The jacket has also been responsibly manufactured using the bluesign® certified textile manufacturing process, which reduces waste at every step of the garment supply chain. Helly Hansen ALPHA 4.0