FitKicks Men's Active Lifestyle Footwear Polyester Rubber sole Mens Shoe Size: Small (7 - 8), Medium (8 1/2 - 9 1/2), Large (10 - 11), X-Large (11 1/2 - 12 1/2) For Best Fit Measure Bottom of Foot: Small (10"), Medium (10.5"), Large (11"), X-Large (11.5") Protective toe guard prevents dragging and excessive wear Durable FlexForm sole naturally contours to your foot for free range of motion, and fold and go transport.