"This special edition of the best-selling Subu Slippers is made from recycled nylon fabric derived from consumer-waste PET bottles. Featuring the MoMA logo and a patchwork of colors, these water- and stain-resistant slippers are like a warm down jacket for your feet.)" These are men's size 10-11 (fit my husband's 10.5 feet perfectly!). In great preowned condition; no visible flaws. X-Large - Mens Size 9.5 - 10.5 Offers always welcome!! From a smokefree home. All items ship following business day.