Arch4 only uses the softest certified organic cashmere sourced from Mongolian goats. This Ariana sweater is ribbed for a close fit and has a snug mock neck that makes it perfect for layering.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