- Outer coating: 68% polyurethane / 32% polyester - Lining and inner sole: 100% microfibers from the circular economy - Outsole: neolite - 2.2 cm flat heel - Side elastic for easy donning * 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 Allan, we advise you to take your usual size. However this model is thin and may require the use of a small shoehorn. If you are between two sizes, have a slightly wide or strong foot on the top, or you use orthopedic insoles, we advise you to take a size above the one you usually take. *Note that the materials of our Alan soften over time.

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