Cashmere label arch4 takes the production of its plush material very seriously, and its sustainability even more so. Sourcing the organic fibre from Inner Mongolia, the label uses only the longest fibres from the natural shedding season to protect the welfare of the fluffy goats. As you can imagine, the pieces like Piper vest - a ribbed knit topped with a snug turtleneck - are incredibly soft, but you'll have to feel for yourself to believe it. arch4 cashmere vest100% cashmereSlips onTurtleneck, sleeveless, medium knit, relaxed fit, brushed texture, notched hemDry cleanTrue to sizeSize small: Length 26in / 66cmModel is 5ft 11in/1.80m and wears a size smallLightweight, slight stretch