Central Park West Bel Air One Shoulder Sweater in Blush. - size L (also in ) Central Park West Bel Air One Shoulder Sweater in Blush. - size L (also in ) 80% viscose 20% nylon. Dry clean only. One shoulder styling. Rib knit fabric. CENT-WK400. C10755. Based in New York City, Central Park West creates new, fresh, and inspired designs for the edgy, trend conscious girl. By taking luxurious fabrics such as silk and cashmere and integrating design details such as sheer panels and peek-a-boo shirttail hems, Central Park West makes sure you stand out in a crowd no matter what side of town you're on.