-The patented and trademarked Vertebra System protects the rider’s Achilles tendon.
-Replaceable thermoplastic resin ankle ball protection cup.
-Bolt on (no Velcro!) replaceable, adjustable and aerodynamic nylon scuff pads on the toe.
-Composite inner sole.
-Removable arch support.
-Lorica outer construction.
-Closable air vent.
-Double stitched in all high stress areas.
-All bolt on parts are replaceable.
-Full length zip open entry.
-Dual compound sole.
-DuPont polymer toe shift pad.
-Perforated Teflon treated nylon lining.
-Shock absorbing heel cup.
Dimensional weight listed
Sidi Apex Black Boot
Produced by Sidi of Italy