SIMMS TRIBUTARY BOOT – Great-fitting with the features, trusted support, and traction you need. Rugged synthetic leather and mesh with scratch rubber overlays in high abuse areas. Bomber, corrosion-resistant lacing hardware. Fully gusseted tongue to keep debris out. Full neoprene lining for comfort and easy in/out. Available with (1)MULTI-DIRECTIONAL LUGGED RUBBER SOLE or (2)FELT SOLE. Women order 2-sizes down. MEN’S WHOLE SIZES: 4-15