Flip-flop slippers are casual men footwear. They are made up of a flat sole held flexibly on the foot by a Y-shaped strap called a toe thong that runs across the first and second toes and both sides of the foot. This type of footwear has been worn by people from various individuals around the world. The current flip-flop design is based on traditional slippers. This low-cost footwear consists of a flat foundation, usually rubber, and a strap with three anchor points: between the big and second toes. Then it is divided into anchors on both sides of the foot.