Footwear, Shoes and Boots Design bisole Footwear by Shinji Honda They feature a minimalist design that does away with unnecessary decorative elements, and it has a wide variety of basic color options to choose from, so that everyone regardless of age or gender is sure to find a style of sandal that matches what they're looking for. Eva is used as the main material in pursuit of lightweight and soft comfort. The non-slip sole is made of rubber for enhanced grip. The insole is removable and washable, and it can be removed and washed in water for cleaner use.