Designed to regulate your body temperature and prevent excessive cooling during intense physical activity in cold weather. The latest version of our famous Ortles Hybrid TirolWool® Responsive Vest is the ideal extra insulating layer for all alpine activities.TirolWool® Responsive is our exclusive lightweight insulating material that blends wool from Tyrolean sheep with innovative polyester fibers, enhanced with thermoreactive minerals. The heat emitted by the body is absorbed and converted into infrared rays, which are stored and sent back to the body, helping to keep you warm for longer. TirolWool® Responsive is water-resistant, breathable, and will always keep you warm even when wet.Other features include warm Durastretch inserts containing 22% wool for ease of movement, an integrated pack-it storage pocket, an ergonomically shaped high collar at the front, and a full-length front zipper with an internal windproof flap.bodymapping