EXCLUSIVE AT NET-A-PORTER. Arch4 has a knack for crafting knitwear that translates well into any wardrobe. This turtleneck tank is spun from certified cashmere sourced from Mongolian baby goats, which is known for its supremely soft handle. The streamlined shape works well with everything from straight-leg jeans to fluid midi skirts. This product supports best practice in Animal Welfare. Find out more about NET SUSTAIN here.