All buckles are replaceable. Redesigned instep and Achilles accordion flex zones construction for superior comfort, control and support. Extended microfibre gaiter helps prevent excessive water and dirt entry. Internal lining includes non-slip microfiber suede on the heel to help keep foot in position. Soft foam reinforcement on ankles and collar for long lasting comfort and shock absorption. Alpinestars developed TPU shin plate and medial protection are constructed from one single part for greater structural integrity and stability. The anatomically profiled shin plate features a dual closure system with an internal microfibre flap attached with Velcro for a precise fit closure while the rugged and durable shin plate is securely attached with a precision adjustable buckle Outer Material: Leather Inner Material: Polyester Closure: Buckle Tech 7 Boots Dual compound, removable anatomic footbed includes EVA and Lycra top for comfort and support, while also ensuring even weight distribution and reinforced heel. The Tech 7 boot is CE certified and features a unique, high strength sole construction, offering durability and protective performance. Available in sizes 29 to 47 and in the following colours: White/Black/Red, White/Red/Blue, Black/White/Turquoise The TPU medial side panel incorporates an advanced honeycomb rubber insert and is designed for excellent grip against the bike while guarding against impact. Wide entry aperture for convenience allows broad ranging calf fit adjustment and support.Innovative buckle closure system includes high-impact aluminium bridge closures, with memory settings and a quick release/locking system with self-aligning design for easy, precise closure and improved riding performance