Buy your FLI-LYTE 4 here Given the American Podiatric Medical Association seal of acceptance and approval, the Fli-Lyte 4 makes a great option for stiff, high-arch foot types because they provide some cushioning, Dr. Kuizinas says. They also offer balanced cushioning, a breathable upper, a roomy toe box, and a 23mm to 20mm heel-to-toe drop.
