Arc'teryx Axino Knicker Men's AXINO KNICKER - The Axino Knicker adds a layer of air permeable insulation under ski bibs or shell pants. BREATHABLE MATERIAL - Allows moisture vapour to escape, helping regulate temperature and elevating comfort inside garment. SKIING & SNOWBOARDING - Designed with specific snowsports features for efficient protection, layering and movement. SYNTHETIC INSULATION - Man-made insulation with quick dry times, durability and retains warmth when damp.