With a water repellent finish and 3M Thinsulate Featherless Insulation, the 2XU Utility Insulation Jacket will keep you warm and dry on the way to and from workouts and during all outdoor activities. In addition, side and chest pockets provide ample storage space. STAY DRY Lightweight 3M™ Thinsulate™ Featherless Insulation is quick drying and mimics the performance of 600-fill natural down, even when wet. The thermo-reflective inner back panel retains body heat. STAY WARM Double-woven, down-proof outer fabric with environmentally friendly C6 DWR treatment resists rain and showers ESSENTIAL POCKETS Fleece-lined zippered side pockets provide warmth, plus there's an inside pocket and a waterproof pocket on the chest for valuables and other items