Size Availability: EU-40-41 EU-42-43 EU-44-45 Can be unisex but refer to size chart Available in Black, Gray Material: EVA(ethylene vinyl acetate) NOTES: 1. Real color may slightly differ from pictures due to gadget screen’s resolution, brightness, contrast, etc. 2. Please remark the variation (color,size) you want when you place an order. You may also message us and let us know your choice.