Designed with 1.5 inch sole height at heel with arch support effectively balance pressure reduce feet stress.With ergonomically designed gives your feet ultimate comfort and pain relief can liberate your feet.Ultralight easy to carry.Can be paired with swimsuit beachwear skirt jeans shorts or every outfit. Site Chart Use: US 5.5= INNER LENGTH/CM 23 = FEET LENGTH/CM 22.5 US 6= INNER LENGTH/CM 23.5 = FEET LENGTH/CM 23 US 6.5= INNER LENGTH/CM 24 = FEET LENGTH/CM 23.5 US 7= INNER LENGTH/CM 24.5 = FEET LENGTH/CM 24 US 7.5= INNER LENGTH/CM 25 = FEET LENGTH/CM 24.5 US 8= INNER LENGTH/CM 25.5 = FEET LENGTH/CM 25 US 8.5= INNER LENGTH/CM 26 = FEET LENGTH/CM 25.5 US 9= INNER LENGTH/CM 26.5 = FEET LENGTH/CM 26 US 9.5= INNER LENGTH/CM 27 = FEET LENGTH/CM 26.5 US 10= INNER LENGTH/CM 27.5 = FEET LENGTH/CM 27