The ALPINESTARS SMX 6 is a thoughtfully engineered racing boot made from high-quality, advanced material! It is equipped with integrated protectors for the shin, heel, and foot, as well as sliders that provide excellent protection for the foot in the event of an accident. ALPINESTARS' unique Multi Link Control system offers advanced protection for the ankle and prevents flexion, twisting, and hyperextension injuries. Additionally, it enhances the shock absorption and impact resistance of the boot. Features include an ergonomically-optimized TPU shin protector, TPR ankle brace, TPU ankle protectors, breathable textile lining, replaceable TPU sliders, a comfortable side zipper, dual compound footbed, and CE certification EN13634.