B2 Lorica outer construction. Perforated Teflon treated nylon lining. Vertebra system Achilles and rear calf protection panel. Replaceable toe scuff pad. Replaceable outer ankle protective cap. Composite inner sole. Double stitched in all high stress areas. Removable arch support. Replaceable nylon shin deflector plate. Fully encapsulated heel cup. Zipper and Velcro closure system. Malleolus external guard to enhance protection of those tender small foot bones. Dual compound sole. DuPont polymer toe shift pad. Sport Rider magazine: "If you're on a budget and had to pick one boot for all your sport riding needs, this would be a good choice."