Autumn Cashmere Ruffle Sleeve Crew Sweater in Gray. - size XS (also in ) Autumn Cashmere Ruffle Sleeve Crew Sweater in Gray. - size XS (also in ) 100% pure cashmere. Dry clean only. Knit fabric. AUTU-WK612. RFC10509. Autumn Cashmere is a fresh, contemporary and innovative knitwear company, creating cashmere, cashmere blend and cotton sweaters and accessories that excite the senses and inspire fun living. Fan favorites include Kate Hudson, Blake Lively, and Taylor Swift.