The ALPINESTARS Supertech R Boots feature a main upper material made of mesh and microfiber chassis, ensuring high levels of comfort and durability. These boots come equipped with TPU shin protection and have been CE certified to meet the EN 13634:2010 safety standard. For a perfect fit, they have a stretch accordion panel, and an internal, separate biomechanical ankle brace provides an excellent protective system, allowing full movement of the foot, ankle, and leg. Designed for both professional racers and enthusiasts, these boots offer the best in protection and mobility.