Arch4s Chiswick sweater is made from superfine cashmere the knitwear specialist calls it cashair to describe the silky, airy texture. Slip yours on over a camisole and jeans.brbrLower-Impact Materials. This product is made using at least 50% lower-impact materials or ingredients. Find out more about our NET SUSTAIN criteria a href=https://www.net-a-porter.com/en-gb/campaigns/net-sustainhere./a