Arc'teryx Nuclei AR Jacket N20mr-x WINDSTOPPER; Coreloft 100 Insulation Windproof, breathable and highly water resistant N20mr Gore Thermium seam sealed outer fabric Coreloft 100 synthetic insulation is warm and resilient Helmet compatible StormHood rotates without blocking vision, visor protects from snow and dripping water Two insulated, zippered hand pockets plus one internal mesh pocket Stuff sack can be clipped to your harness