The Tech Strap (Patented) is an add-on Velcro strap that helps keep your heel strap and ankle secure. It is a great way to add a little lace security to any pair of LUNAs.

Find out how to add and adjust the Tech Strap with this video.

What is my size?

You can find your sandal size and match it with your Tech Strap size below.

1. if you are between sizes M4-7 / W6-9 in your sandal size, your tech strap size is S
2. if you are between sizes M7.5-9 / W9.5-11 in your sandal size, your tech strap size is M
3. if you are between sizes M9.5-11 / W11.5-W13 in your sandal size, your tech strap size is L
4. if you are Mens 11.5 or Womens 13.5 or over in your sandal size, your tech strap size is XL