Ruber sole PU sole,inner mesh, vamp mesh, air cushion midsole Light weight, breathable, antiskid, shock absorbtion, Abrasion resistance, deodorization In case of ordering the inproper size, it is better to measure the length of your feet, then choose the accurate size from our size chart, If your feet is wider and the instep is higher, we suggest you to take one size up from your normal size. Supposing that your feet if narrow and slim, we suggest you to take one size down from your normal size. We have variety of colors for both male and female, so don\'t hesitate to consider us if you want to give you and him or her a gift or surprise.