Ralph Lauren Organic Cotton Oxford Reversible KING Duvet Cover Blue Wht NWT $470 The timeless design of Ralph Lauren’s iconic oxford shirt is realized for the home through this classic collection crafted from naturally soft organic cotton and featuring yarn-dyed stripes at one side and a cool-tone solid hue at the reverse. 1½" stitch-down tailored flange with single-needle topstitching at the edge. Double-needle topstitching between the body and the flange. Hidden buttoned closure at the back. Signature Ralph Lauren buttons. OEKO-TEX® STANDARD 100. King duvet: 96" L x 108" W. 100% organic cotton. Machine washable.