A workwear collection so tough, our product team ran out of durability tests. 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. FeaturesExterior crafted from 100% nylon Cordura Oxford fabricWINDSTOPPER by GORE-TEX LABS makes the vest 100% windproof100 grams PrimaLoft Silver synthetic insulationCenter front zipper with windbreak flap seals out windZippered chest and hand pocketsDrop tail hemConstructed with the sustainable GORE EPE laminate