EXCLUSIVE AT NET-A-PORTER. Arch4s Estelle sweater is spun from cashmere that feels incredibly soft and springy. Its designed for a loose fit and traced with chunky ribbed trims. 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