Sitka Grindstone Work Vest - The Grindstone Work Vest is everything that the Grindstone Jacket is, minus the sleeves. It’s filled with the same warm PrimaLoft Silver insulation and engineered with WINDSTOPPER by GORE-TEX LABS, but the new hardwearing laminated fabric makes it even more durable than before. This beast of a vest is ideal for anyone who wants to protect their core while keeping their arms free for any task in the field or on the job. Exterior crafted from 100% nylon Cordura Oxford fabric WINDSTOPPER by GORE-TEX LABS makes the vest 100% windproof 100 grams PrimaLoft® Silver synthetic insulation Center front zipper with windbreak flap seals out wind Zippered chest and hand pockets Drop tail hem Constructed with the sustainable GORE EPE laminate Style: 600506