- Outer coating: 25% recycled cereals / 35% adhesive fibers / 30% recycled polyester, 10% PU - Lining and inner sole: 100% microfibers from the circular economy - Outsole: neolite - Laces: 100% recycled cotton - 3.5 cm flat heel * All our models are vegan, labeled PETA APPROVED VEGAN and certified OEKO TEX 100 (materials guaranteed to be free of toxic products for the body and the environment). **Sizing** For the Athena model, we recommend that you take your usual size. If you are between two sizes, have a slightly wide or strong foot on the top, or if you use orthopedic insoles, we advise you to take a size above the one you usually take. Note that the materials of our Athena soften overtime.

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