Slip-on style marine shoes with non-slip soles for safety in the water. They are stretchy, drain well, breathable, and flexible. They feel like socks. Includes insoles. - Size: EU size 40 (25.5cm) - Color: Black/White/Colorful sole - Design: Slip-on style - Use: Water shoes - Sole: Non-slip I accidentally bought two pairs online, so I'm selling one. They are comfortable to wear. Since you wear them barefoot, I recommend going one size smaller than your sneaker size.