Specifically designed and sized for junior and/or smaller framed riders, Polyurethane (PU)-reinforced microfiber upper for flexibility, abrasion-resistance, water-resistance and weight-saving, Material ensures consistent fit and is easy to maintain and clean, Contoured shin plate is injected with high-modulus Thermoplastic Polyurethane (TPU) for excellent levels of impact- and abrasion-resistance, Medial facing side incorporates TPU panel with specially designed sculpturing for maximum grip contact with bike and improved heat- and abrasion-resistance, One-piece injected dual compound foot shell with co-injected hard toe protector and integrated steel shank, Shell is highly resistant to abrasion and impact, adds to the boot*s overall durability and improves boot*s streamlining, Excellent flexion provided by low-profile medial and lateral pivot system to offer movement and support, Instep and Achilles accordion flex zones constructed for superior control and support, Extended microfiber gaiter helps seal out excessive water and dirt entry, Compound sole is seamlessly integrated into the base structure for superior durability, high-performing rubber grip patterning, and feel, Sole is replaceable, Soft poly foam reinforcement on ankles and collar for long-lasting comfort and shock absorption, Removable anatomic footbed for comfort and support ensures even weight distribution, 3D mesh textile with open cell foam for improved air circulation and comfort, Buckle closure system incorporates polymer and fiberglass buckle arms and high-impact aluminum bridge closures for durability and weight-saving, Buckle system features memory and a quick release/locking system with self-aligning design for easy, precise closure and improved riding performance and security, All buckles are easily replaceable