Crafted from bio-based and recycled E.V.A. and Amazonian rubber, this water-resistant material dries quickly. Featuring an adjustable strap and an anatomical sole, the Mini Etna offers an effortless fit. The lightweight E.V.A. construction is flexible and retains its shape after use. adjustable strap anatomical sole Amazonian rubber bio-sourced E.V.A. recycled E.V.A.