The COS womenswear team took a modern view of traditional suiting when designing this vest. It's crafted from a lightweight blend of RWS-certified wool and TENCEL™ Lyocell that's double-faced for a premium, supremely soft hand feel. It's designed with a high V-neckline and shaping darts. Regular fitCertified according to the Responsible Wool Standard, to protect the welfare of the sheep and their environment 60% RWS Wool, 40% TENCEL™ Lyocell / Dry clean Back length of size 6 is 23.31” / Model wears a size 6