TUSA UR5004 - Type also functioning as boots - Brand: TUSA - Model Number: UR5004 - Color: Black/Yellow - Soft material - Prevents injuries around the ankles - Sole: Synthetic rubber - Heel: Synthetic rubber - Size M (24-25.5cm) - Outer/Lining: 100% nylon - Fabric Mid-layer: Foamed chloroprene rubber Thank you for viewing. I used these only once in the ocean, but I am selling them because the size didn't match my fins. They are tabi-style and fit the foot well, so you can wear zori (Japanese sandals) while wearing them. Since they are originally made of soft material, I will fold the ankle part for shipping.