The SIDI ST Boot features a hinged external support structure for helping to prevent lateral ankle movement while allowing for smooth fore and aft transitions on the bike. A set it and forget it cam lock closure system on the calf enables easy entry and accommodates a wide variety of calf diameters. All bolt-on components are replaceable. Features: ⢠Patented and trademarked Sidi Vertebra System protects the achilles tendon ⢠Thermoplastic resin ankle protection ⢠Replaceable to sliders ⢠Composite inner sole ⢠Removable arch support ⢠Nylon shin deflector plate ⢠Perforated Lorica outer construction ⢠Double stitched in all high stress areas ⢠All bolt on parts are replaceable ⢠An elastic panel adjacent to the entry zipper allows a bind free zip and improved fit ⢠Dual compound sole ⢠DuPont polymer toe shift pad ⢠Perforated Teflon treated nylon lining ⢠Replaceable shock absorbing heel cup ⢠Padded achilles area ⢠External ankle support braces with closable air vents ⢠Cam-lock buckle system
