Made from high-bulk, low weight Polartec Thermal Pro fleece, the Berghaus Activity PT Jacket IA will trap your body heat to keep you snug & warm, while its breathability stops you feeling stifled inside. In colder, wetter weather you can use the Inter Active IA zip to attach it securely inside a compatible Berghaus rain shell for total layered protection. Made with recycled plastic bottles Traps body heat High-bulk. low weight Breathable