An insulating layer for active pursuits. It warms your core and won't hold you back climbing, hiking or skiing. Coreloft fill provides reliable warmth, feels weightless and is highly compressible. Layer it under a shell or wear it as your stand-alone jacket in cool weather. So functional and sleek, it's the unofficial uniform of mountain towns word wide. Tyono nylon shell is DWR treated for water resistance. Coreloft synthetic insulation is lightweight, breathable and warm. Air-permeable stretch fleece side panels. Underarm gussets and articulated elbows for range of motion. Full front zip has "speed bumps" to prevent it from opening accidentally. Handwarmer pockets and internal chest pocket have secure zips. Stretch knit cuffs fit over gloves. Adjustable hem with slight drop in back.