Knit crewneck sweater made from RWS-certified wool with stocking stitch featuring a ribbed collar, cuffs, and bottom band. Gauge 14. Crewneck knit in RWS-certified pure light wool. Stocking stitch. Gauge 14. The Responsible Wool Standard (RWS) describes and certifies animal welfare and land management practices in wool production and tracks the certified material from farm to final product.