Club Monaco Boiled Cashmere Boat Neck Sweater Sometimes it's good to be a fluff piece. Our best-selling boat neck sweater, complete with blouson sleeves, is back for fall in boiled cashmere for dreamy softness. 100% cashmere. Pullover style. Rib-knit boat neck, cuffs, and hem; dropped shoulders; long blouson sleeves. Size XS. Great condition.