NWT RAG & BONE RUSA Corduroy Shirt Size M Color Gold Corduroy Shirt corduroy shirt from Rag & Bone. Spun from viscose yarn, this style features button fastenings, and long sleeves with button cuffs. Product details Description. The ultimate cold-weather top, this cord button down has a classic fit, with center front metal distressed buttons. Layer over a t-neck or wear alone. 100% Viscose. New with tags and still in plastic packaging. Offers welcome!