Elegant black slip-ons with tassel accents. Sleek and versatile design. US 6 Slip on Mule See photo for wear. Some scratch from normal wear on inside outer toe area Comfort Slide Vionic product Step into comfort with these stylish Vionic shoes in black patent leather. The slip-on design with tasseled accents and almond toe shape make them perfect for travel, casual wear, formal events, workwear, and business settings. The outsole and lining are made of leather for added comfort and durability. These shoes are part of the Comfort Slide product line and have a standard shoe width. US shoe size 6. The solid pattern and classic theme make them a timeless addition to any wardrobe.