Field tested for long, stationary stretches in adverse conditions, the Colossus Parka is complete with VerticalX Eco insulation for enhanced warmth designed to withstand the coldest climates and shaped to fit over other layers. Prevent cold air and precipitation from sneaking into your garment with these built-in thumb holes. The zipper opens from the bottom as well as the top for easy ventilation, extra room when sitting down, or access to a climbing harness. The chin liners soft, stitched fabric that's comfortable against your chin, preventing rubbing even when moving fast. Wrist Gaiters Shoulder Patch Fully Adjustable Hood Two-Way Zipper Helmet Compatible Chin Liner Size and Fit Fit: Standard Materials insulation: VerticalX Eco