Chunky vest knitted from a blend of yak, merino wool and alpaca with a portion of nylon. Cut for a regular and slightly boxy fit. Ribbed details around the crew-neck, armholes and hemline. This style contains 22% RWS wool, certified by control union 810300. Products certified the the Responsible Wool Standard (RWS) contain wool fiber from farms independently certified to animal welfare and land management requirements.