Chlos sweater is made from naturally insulating wool and has a ribbed finish to accentuate the close fit. The crew neck and buttoned placket are outlined with tonal silk. 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