The inside of the shoe is treated with ECO ODOR CONTROL technology against microfungi and odors, which is environmentally friendly.Model: YoguiColor: dark grayFastening: no fasteningSpecification: compression molded EVA midsole, patented KEEN toe protection. PROTECT Material Type: SyntheticMaterial: RubberWashing and Care: Wipe With A Damp Cloth