Arco Cashmere Sleeveless Turtleneck Sweater The details Bra friendly and ribbed hem. This is a fine-gauge recycled cashmere blend sweater knit - 90% Recycled Cashmere, 10% Cashmere. Hand wash + dry flat. More on fabric & care. Fabric This is a fine-gauge recycled cashmere blend sweater knit - 90% Recycled Cashmere, 10% Cashmere. Recycled cashmere yarns are made from repurposed, regenerated cashmere clippings and knitwear to produce the feel of conventional cashmere. On average 1 kg of recycled cashmere has 70% less environmental impact.