FORMA Predator Off-Road MX Motorcycle Boots (Black, Size 12 US/Size 46 Euro) Outer - Microfiber and synthetic material upper; Dual Pivot FCS (Flex Control System) with anti-scratch pad and double rear stop; Carbon fiber Dual Pivot connector Skywalk double density anti-slip/oil rubber sole with replacement insert; Hi-Tec Rubber Heat Gripper inserts; Injection molded plastic protections Adjustable Velcro closure; Replaceable/adjustable aluminum articulated Evo Security Lock buckles; Zama molded toe cap Inner - Personalized and thermoformed Forma inner lining; Internal microfiber anti-mud protection; Padded foam collar for added comfort ISS (Incorporated Steel Shank) with anti-shock felt midsole; EVA padded anti-bacterial replaceable footbed with APS (Air Pump System)