This modern hybrid vest is designed with an enveloping hood, brushed silver-tone zip and high side slits that offer freedom of movement and layering potential. It's cut from a soft RWS wool and TENCEL™ Lyocell blend that's double-faced for structure and longevity. Zip closure Back darts This product is Responsible Wool Standard ( RWS ) certified by Control Union 893290 and contains wool fiber from farms certified to animal welfare and land-management requirements Shell: 60% RWS Wool, 40% TENCEL™ Lyocell. Excluding trims / Dry clean Back length of size XS/S: 23.62", M/L: 24.40"