ALDO Pridaflex backless mules in black. Size 6.5. MSRP $99. Aldo presents footwear range that will keep your feet at great ease, While you walk. These are light In weight, Flexible and very comfortable to wear as well. It is a must-have in your footwear collection. PRIDIAFLEX-Black Clouser type: Slip Ons Sub-Category: Shoes Toe Shape: Square Materials Material: Leather Sole: Rubber Measurements Heel Height: 0.75 IN