During stop-and-go activities in the mountains, such as speed hiking in autumn and winter, temperature regulation is a crucial factor. The Pedroc TirolWool® Responsive Jacket is a lightweight, warm, and breathable jacket designed for quick movements in cold conditions. Made from TirolWool® Responsive, our proprietary hybrid technology insulation made from wool, it ensures the perfect balance of insulation performance and breathability. TirolWool® Responsive combines the natural advantages of wool from Tyrolean mountain sheep, which have a high lanolin content, with cutting-edge temperature-regulating technology. The wool keeps you warm even when wet, supports body temperature regulation, and inhibits odor formation. Responsive is a patented blend of thermoreactive minerals that are pulverized and melted into a resin, which is then incorporated into the core of recycled polyester fibers. It has the unique ability to convert, store, and gradually release the body's radiant heat as infrared light. This stimulates circulation and blood flow while maintaining long-lasting insulation performance and accelerating recovery. We use a 50g filling of TirolWool® Responsive in the arms and chest, which is packed into a lightweight, windproof nylon outer material and treated with a DWR finish for water resistance. Thanks to the underarm inserts made of double-woven Durastretch material, sweat can evaporate and dry quickly. An insulated hood provides protection, while two zippered side pockets and a security pocket on the chest offer ample storage for items you need to access quickly. Additionally, this jacket can be packed into one of its side pockets for space-saving storage in any backpack.