Swimwear brand 'Vitamin A' embraces the use of 100% recycled warp knitCalifornia-based swimwear brand Vitamin A has become the company to launch a swimwear collection made with a new 100% recycled fabric developed by Hyosung and warp knitter, Hung Yen Knitting & Dyeing. The new sustainable swimwear collection, called ReLux, launched on 29 January.