Tech strap (patented) is an additional velcross trap that helps secure the heel strap and the ankle. Any Luna is the best way to raise a sense of fit.
1PAIR (2 bottles).
[How to select the size]
Select the size of the tech strap from the sizes of sandals.
If the size of the sandal is M4-7 / W6-9, the size of the textrap is S.
If the size of the sandal is M7.5-9 / W9.5-11, the size of the textrap is M.
If the size of the sandal is M9.5-11 / W11.5-W13, the size of the textrap is L.