Alpinestars Children's racing motorcycle boots SMX-6 V3

• The SMX-6 V3 is packed with safety and protection innovations. It's the ultimate versatile model for the track and performance, incorporating competition-derived technologies and materials for a decisive edge on both circuit and road.
• Advanced microfiber upper for lightweight and effective abrasion protection along with great flexibility
• Textile flex zones at the front and back with injected soft TPU for better abrasion resistance and natural mobility
• The unique ankle protection system Alpinestars provides mechanical support between the lateral calf, tibia, and ankle for superior articulation, while limiting over-twisting, hyperextension, and hyperflexion. It also protects against impacts to the Achilles tendon and ankle
• Advanced polymer resin Lace-Lock system Alpinestars for a quick, precise, and secure closure
• TPU selector zone for top protection on the lower medial side
• Racing-origin TPU shin protector plate, strategically positioned for superior shock and abrasion resistance
• Strategically positioned dual-density TPU ankle protectors between the upper and padded lining for targeted protection in key areas
• Replaceable dual-density TPU toe slider with a screw mount, providing complete protection for the external toe area while remaining very flexible for walking
• Replaceable heel slider and external lateral slider positioned for optimal shock dissipation and absorption while promoting sliding in the event of an accident

Material Composition

• 37% TPU, 35% microfiber, 11% polyester, 8% polyurethane, 8% TPR, and 1% elastic. Inner lining: 82% polyester & 18% synthetic