The main upper material is microfiber, Tongue and rear accordion made by lightweight padded material that offer superior comfort, Airflow and ventilation are improved thanks to lateral Air Intake with metallic mesh, New speed lace system derived from Alpinestars MotoGP* technology for improved quick precise and secure closure, Higher closure system with new adjustable hook-and-loop closure and debossed Alpinestars logo, Foam backed double density ankles disk protection are mounted under the upper plus lateral outer Thermoplastic Rubber (TPR) guards provide all-round strategic protection and flexibility in keys area, External TPR toe reinforcement helps protect against abrasion and gives greater stability, Welded reflective insert on rear to make the rider more visible to other road users,especially when riding at night, Thermoplastic Polyurethane (TPU) heel counter protects from impact and abrasion, Internal toe box reinforcement layered under the microfiber, Breathable textile lining with anti-sliding microfiber suede on the heel, Removable anatomic EVA foam footbed, Alpinestars exclusive vulcanized rubber compound sole