Mens NIKE Benassi Just Do It Sandal is a lightweight sports slide with the NIKE corporate logo embellished on the strap. Its soft midsole foam and jersey lining provide comfort so you can enjoy a relaxed, premium experience. How to measure-1.Stand up straight on a hard surface with your heel against the wall and a piece of blank paper taped to the floor, flush against the wall beneath your foot. 2.Have someone mark the longest part of your foot (referred to as heel-to-toe length) on the paper with a pen or pencil, or measure yourself if necessary. Repeat with the other foot, as right and left sizes may be different. 3. Use a ruler to measure the heel-to-toe length you marked for each foot.