What is AFD?

You need to choose from the following three types of AFD. Please check the sole specifications of the boots you are using. If you are unsure which to choose, please contact us.

• GripWalk compatible: Compliant with GripWalk standards.

• WTR: Touring boots with normal walk mode or meets the ISO 9523 Touring boot standard.

• ISO 5355 Alpine sole: Fits alpine soles that meet the ISO 5355 standard.