Designed for alpine adventurers braving extreme cold, the Arc&';teryx Proton Heavyweight Hoodie boasts Coreloft insulation and Fortius Air 50 face fabric for unparalleled warmth and durability during high-output activities. With its breathable design, this hoody ensures comfort and protection against the harshest conditions, making it an essential companion for challenging alpine pursuits. The Arc&';teryx Proton Hoody for men is a high-performance insulated layer engineered for active outdoor pursuits. Featuring advanced synthetic insulation, this lightweight hoody provides warmth and breathability, making it perfect for fast-paced activities like hiking, climbing, or skiing. The breathable design helps regulate body temperature, keeping you warm without overheating. Features: Lightweight Insulation: High-quality synthetic insulation for warmth without bulk, perfect for layering or wearing on its own. Breathable Design: Engineered with breathable fabric to wick away moisture, ensuring you stay dry and comfortable during intense outdoor activities. Versatile Fit: Slim, athletic cut provides freedom of movement, offering comfort and flexibility for active use in various outdoor settings. Durable & Weather-Resistant: Built with a durable outer fabric that resists light weather and abrasion, making it ideal for rugged conditions. Functional Hood & Pockets: Adjustable hood for added warmth and protection, plus secure zippered pockets to store essentials during your adventures.