This fleece is built with 2-way stretch polyester fleece fabric for comfort and freedom of movement whether you're climbing, trekking or skiing. The durable water repellent treatment across the shoulder section provides an extra notch of protection in light rain. The breathable thermal fabric offers welcome insulation on cooler days and effectively wicks away sweat to keep you cool when things heat up. The partial mesh liner and central front zip let you regulate temperature and stay focused on the task at hand. The Force Maglia Fleece Jacket for men is a versatile mid-layer for all-year-round mountaineering and climbing adventures.