COS open back bolero jacket in navy. Only worn once! Size small. Crafted from a traceable wool blend in a classic navy hue, this modern bolero jacket features a central seam and exaggerated gathered sleeves. The cropped length and open back make layering a breeze - wear it over a collared shirt or alone with high-waisted pants. - Snap-stud closure at back - Certified according to the Responsible Wool Standard, to protect the welfare of the sheep and their environment 60% RWS wool, 40% TENCEL™ Lyocell / Dry clean only