Vionic RELAX slipper in Black in Women’s US size 10. A silky feeling plush terry fabric lines the EVA footbed and upper strap. Combined with great adjustability from a Hook and Loop upper strap, nice arch support and the APMA Seal of Acceptance and you’ll know why this is and has been a well sought after slipper. It was on Oprah’s list of favorite things in 2016.As to fit, this is a Women’s US 10 and fits like US 10-10.5. If your foot is very narrow or low volume this may not work for you.—NEW IN BOX—FREE Shipping via USPS