Improved overall fit with a large calf circumference. The overall design boasts many of the same amenities as boots costing hundreds more. A genuine leather shell offers support and durability while making break-in fast and easy. Ergonomically designed external plastics at every key point protect from wear and impact. Aluminum Cam locking buckles are simple to use and adjust to a wide selection of tension positions...quick and easy. The interior features an embossed biofoam calf area, a smooth padded finish and a padded inner sole pad. Suede at the exterior calf resists heat from pipes and wear while avoiding damage to your bikes finish, And at the bottom of it all is a welt stitched durable sole with a steel toe plate. Each component designed with function, protection and durability in mind.