Product details:

The women's Arc'teryx Sentinel LT is a highly versatile big mountain jacket built with ample weather protection in a lightweight yet durable design. This technical shell is equipped with a full set of features specific to freeride touring, including a helmet-compatible StormHood, pack-compatible zippered underarm vents, and an integrated powder skirt with Slide 'n Loc attachments for seamless pairing with compatible Arc'teryx pants. Three-layer GORE-TEX fabric with GORE C-KNIT backer technology ensures you stay dry and comfortable in wet and wintery conditions, while reducing fabric noise. GORE-TEX and a DWR finish deliver highly waterproof, breathable performance Helmet-compatible StormHood offers extra coverage Armpit vents dump excess heat on intense ascents WaterTight pit zippers seal out the elements when closed Longer length for added coverage during deep storm days Numerous pockets, including one designated for your RFID, hold onto your backcountry essentials Equipped With GORE-TEX GORE-TEX is an extremely thin membrane that's durably waterproof, windproof, and breathable. It has over 9 billion pores per square inch that are each 20,000 times smaller than a water drop, but 700 times larger than water vapor. This means that rain won't get through the membrane, but that perspiration vapor can escape through the membrane. Different iterations of this basic membrane principle are in a variety products throughout the outdoor industry. Durable Water Repellent (DWR) DWR is a fabric treatment that improves the water-repellency of the outer layer of the material, while maintaining its breathability.StormHood The StormHood features a drawcord system that can be cinched with one hand, to achieve a precise and protective fit over your helmet or head. The hood's innovative design provides ample coverage, but pulls back at the eyeline for an extended range of vision, even when turning from side to side.