I wore these for a few hours after purchase and have kept them stored at home. I'm selling them because I don't have a chance to wear them. Color: Black Size: 26-27.5cm (EU41-42) About the product: 【SUBU BELT】 These sandals use down material, like a down jacket, making them warm and perfect for autumn and winter. The four-layer insole and the brushed inner fabric provide high cushioning, allowing you to wear them comfortably without putting stress on your feet. The fact that they are comfortable to wear for long periods is a great feature. This model has an adjustable Velcro strap, making them even easier to wear. The upper is Teflon-coated for water resistance, and the sole uses a non-slip material with good grip. They have a simple and modern design that can be enjoyed as a fashion item, making them suitable for indoor use as well as outdoor activities. They are also perfect for cold feet in the workplace, kitchen, or camping.