Minus33 Expedition - Men's Wool Vest WildernessFor those times when you need to keep your core warm, but it's not quite cold enough to warrant a jacket, reach for our Wilderness Vest. Its yoked shoulder seams allow for comfortable pack wearing, and semi auto locking zipper keeps everything in place while you're tearing up the trails. Fabric Fiber Content: 100% Merino Wool OEKO TEX STANDARD 100 Certified Woolmark Certified Responsible Wool Standard (RWS) Certified Knit: 380 g m2 Heavyweight Ponte