No. 21 Crew Neck Sweater in Tan. - size 42 (also in 40) No. 21 Crew Neck Sweater in Tan. - size 42 (also in 40) 58% mohair 37% polyamide 5% wool. Hand wash cold. Crystal stud accents throughout. Contrast stitching throughout. Rib knit trim. Made in Italy. NO2R-WK6. A027 7086 1209. With a keen eye for trends of the moment, No. 21 offers a modern wardrobe of timeless sophistication with a refreshing flair of striking playfulness. Designer Alessandro Relacquer mixes feminine and masculine shapes into preppy, cool luxury pieces imbued with the innate sense of Italian femininity and style. The collection features immaculately tailored and demure silhouettes accentuated with eye-catching embellishments.