Gray recycled PET one-piece knit women's sneakers with OrthoLite® Recycled™ removable footbeds and XL EXTRALIGHT® Organix™ 3.0 outsoles (30% bio-circular compounds). Karst is a unisex sneaker with an organic, technical sport look, inspired by nature and the outdoor world. This sneaker features a thick, rounded, protective outsole and an ergonomic shape.