Vegan friendly style Softee. Size Guide: Small = 3/4; Medium = 5/6; Large = 7/8. As the name suggests, this slipper is super, super soft! Featuring a soft fluffy upper and lining and a cushioned foot-bed with lightweight outsole this slipper is designed to be as striking as it is comfy. Available as this back-in slipper or as a slip-on mule in sister style Pillow, this slipper is the perfect gift for your feet or for that someone special.. Upper: Textile. Lining: Textile. Sock: Textile. Sole: Other Material