SITKA SITKA GRINDSTONE WORK VEST The Grindstone Work Vest is everything that the Grindstone Jacket is, minus the sleeves. It benefits from the same warm Primaloft® Silver insulation, WINDSTOPPER® by GORE-TEX LABS, and new hardwearing laminated fabric, but is built for those who... Now: $199.00 MSRP: Was: Choose Options