Blowfish Malibu Women's Melondrop Sneaker Size 8.5. The 25 on the insole is for 25 centimeters which is typically an 8.5. Details Take your sneaker collection to new heights with Melondrop, a slip on sneak with a hidden wedge. Comfortable and lightweight, you can stand a head above the rest in these must-have sneakers. Other features include a distressed canvas upper, embroidery detailing, a cushioned insole and branded hardware. Distressed canvas fabric upper Round closed toe and back Embroidery details Asymmetric side zipper closure Optional lace-up front with metal eyelets