Women: Begin with street shoe size Men: Begin 2 sizes up. XS (4-5), S (6-7), M (8-9), L (10-11), XL (12-13), XXL (14-15), Children size 2-3 will fit in size XS (4-5) and Children size 4-5 will fit in size Small (6-7) 4 way stretch canvas, Suede sole patches Extremely flat pleats Micro fiber lining One sided plush primary elastic with Capezio logo and secondary silicone lined elastic for secure fit around heel