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Technology: The Arpenaz Flex has a special sole that was designed and developed in collaboration with the Oxylane R&D department.
Our measurements show that when walking, the foot naturally turns 12° to the outside.

To keep in line with this movement, the sole of the Arpenaz Flex is literally cut at the inside of the arch. This cut makes the sole flexible.

The Flex Design: for the Maya model. This patented system is based on how the shoe bends at the arch. The heel and forefoot of the shoe are nearly independent of each other and can pivot on a horizontal plane, which allows the shoe to follow the foot during effort. What's more, it stretches out less over time and has a more comfortable fit.

Footwear waterproofing test: Tested both in the lab and real-world usage, NOVADRY®-equipped footwear guarantees optimum waterproofing and breathability. First, the shoe is immersed in water while internal air pressure is applied to check that no bubbles form on the surface of the footwear. Next, the shoe is fitted to a mechanical arm that simulates walking and half immersed in water to test that the inside remains perfectly dry.

3 levels of waterproofing: During the waterproofing test, we test 3 levels of waterproofing: 2000 flexes (around 2 hours of walking), 4000 flexes (around 4 hours of walking) and 8000 flexes (around 8 hours of walking). Of course, after this test or in real-world use, the shoe regains its original waterproofing once dry.