Size chart: Size: 36: Insole lenght: 23cm Size: 6,5: Insole lenght: 23.5cm Size: 6: Insole lenght: 24cm Size: 39: Insole lenght: 25cm Size: 40: Insole lenght: 25.5cm Size: 41: Insole lenght: 26cm Women's sandals with the cut of flip flops are perfect for summer days! The model is made of eco leather. On the middle strap there are decorative crystals. These sandals are set on a flat heel with a non-slip sole. The binding around the calf makes you can properly adjust them to your leg's stiffness. An extremely airy model that should be in your closet!