The Spyder Mens Geared Full Zip Synthetic Down Jacket in French Blue FEATURES : Reverse coil zipper, Stretch binding at cuffs and hem, Zippered hand pockets Internal zippered pocket, Downproof Polyester Nail Head Weave with Spylon DWR, TECHNOLOGY : Synthetic Down, is a 100% Polyester insulation fill that is as lightweight as natural down, is highly breathable and extremely warm. It retains loft and warmth even when wet. An ultra-thin membrane that delivers superior waterproofing and breathability. This technology results in pliable fabrics that are lightweight yet durable. Xt.L benefits include stretch recovery, which maintains the integrity of the fabric. Even after seasons of use, it still looks great and performs at like-new levels. Spylon When the powder is deep you need all the dry you can get. Enter Spylo durable water repellent (DWR) finish, which retains 80% of waterproofness after 20 washings, and guards against water- and oil-based stains.