Sitka Gear Men's Dew Jacket, Open Country, Extra Large - 50051-OB-XLp The SITKA Dew Point Jacket, Optifade Open Country (50051-OB) is perfect for the high-altitude hunter or those who hunt where every extra ounce of weight can make a world of difference. The Dewpoint is the lightest-weight waterproof jacket offered by Sitka.A durable two-way stretch nylon fabric with GORE-TEX technology for 100% breathable waterproof protection and a DWR finish for superior water repellency. Pit zips provide welcome ventilation during periods of high activity. An attached hood and welded watertight zippers provide additional protection. This jacket also packs into its own mesh pocket for easy carrying in and out of the field.