Mens BOSS Wilson Waistcoat. Set in pure yarn-dyed virgin wool, this slim-fit waistcoat offers a refined formal finish by BOSS Menswear. With a four-button fastening and adjustable back, precise craftsmanship is displayed in the front-edge AMF stitching and double-piped pockets. Features a slim fit, button closure, adjustable back part, 4 buttons, and flap pockets. Main material: 100% Virgin wool. Lining: 52% Acetate, 48% Viscose. Dry clean. Waistcoat with double piped pockets, AMF-stitching at front edge and pockets, adjustable back part, and Mulesing Free.