The Elevation Polartec® Thermal Jacket is for every mountain sports enthusiast who heads out fast and light on high-mountain adventures and wants be sure to have a warm, breathable layer for the summit. Its innovative Polartec® Hardface Technology makes this fleece particular abrasion-resistant and also lends long-term water resistance. To ensure continuous air circulation during high-intensity activity, the jacket has underarm laser perforations for needed ventilation. You also get plenty of stowage room: two zip pockets allow you to carry essential personal items. Thumbholes also provide warmth all the way across the back of the hand. A real must-have for every speed mountaineer.