The Y MountainLine Light Insulated Air Jacket is a lightweight and extremely comfortable high-tech outdoor jacket with a range of uses as vast as the Himalayas. The unique combination of high-performance materials made from natural and synthetic fibers provides product features that you will appreciate both in the mountains and at home when planning your next adventure. The front, upper arms, collar, and back are made from a lightweight, Vivo Performance: Eco-padded outer fabric that ensures the right balance between warmth and weight. The sides and underarms feature inserts made from a technically advanced technostretch knit fabric. This fabric is a blend of Cordura® and merino wool, meaning it is warm, durable, breathable, and incredibly soft and flexible. Practical pocket in the chest area. Are comfort, versatility, and high technical standards important to you? Then the Y MountainLine Light Insulated Air Jacket will quickly become your constant companion on all your outdoor adventures!