Breathable precision knit mesh with padded collar and tongue. Supportive rigid heel counter and nylon heel tab. Ortholite X25 open cell foam insole has high levels of cushioning in thinner layers, perfect for high impact sports. EVA spacer to customize fit. Lightweight EVA midsole with rubber tread inserted for extra grip and traction on any surface. Double insoles, OrthoLite. Diabetic friendly.