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 and warm, while its breathability stops you feeling stifled inside. In colder, wetter weather you can use the InterActive IA zip to attach it securely inside a compatible Berghaus rain shell for total layered protection.Made with recycled plastic bottlesTraps body heatHigh-bulk. low weightBreathable