3F = 3 Functions System

FLEX, FIT, and SUPPORT, the Salewa 3F: "Three Functions System" is Their trademark technology that offers an unbeatable combination of ankle flexibility, lateral support, and perfection in fit.

FIT: The 3F system is anatomically positioned around the malleolar pads and creates an impenetrable three-dimension enclosure around the heel The result is perfect heel retention, crucial for a blister-free mountain experience.

FLEX: The 3F system divides the lower part of their footwear's upper from the collar. This allows a unbeatable ankle flex for an agile stride and for better climbing performance.

SUPPORT: When you're moving sideways at steep angles, your ligaments are pushed to the limit. The Salewa 3F system provides fill ankle support while still offering freedom of movement.

Multi-Fit Footbed

Our foot is a three dimensional shape.  It is defined by length, width and height.

Only Salewa offers a footbead that allows individual customization of the fit by adding or removing the yellow MMF layer.

Salewa Vibram Soles

From technical mountaineering to approach shoes, all outsoles are exclusive to Salewa and developed together with the Vibram technical department to reach the maximum possible level of grip, durability and comfort.