The Arc'teryx Sentinel Insulated Jacket - Women's is an insulated shell for backcountry and resort skiing or snowboarding. The snow has fallen, and the mountain is calling, throw on the protection of 3L ePE GORE-TEX and grab the ski gear. The waterproof, windproof, and breathable shell prevents you from getting soaking wet, while 100% recycled Prima Gold Eco Coreloft insulation provides plenty of warmth on a frigid day. Packed with loads of ski/snowboard essentials, from an insulated, helmet-compatible StormHood, to a powder skirt and RECCO reflector, you're always ready for another adventure.