SMX-6 V3 Drystar® BootsPacked with a host of innovative safety and protective features, the SMX-6 v3 Drystar® is the ultimate track and performance riding all-weather all-rounder, and incorporates race-derived technology and materials to give riders a crucial performance edge on the track, and the streetEquipped with Alpinestars Drystar® technology for proven wet weather performance and excellent levels of breathabilityAdvanced microfiber upper construction for lightweight high performance protection against abrasion and superb levels of flexibilityBoot incorporates Alpinestars waterproof and breathable Drystar® liner for excellent all-weather performanceFront flex and back flexion zones are constructed with textile over-injected with a soft Thermoplastic Polyurethane (TPU) for enhanced impact abrasion while also promoting a natural forwards and backwards movementEvolution of Alpinestars unique ankle brace protection system provides a bio-mechanical support and protection between lateral top calf, shin and ankle, for superior ankle articulation, while also limiting hyper-torsion, hyper-extension and hyper-flexion, as well as providing Achilles and ankle impact protectionAlpinestars Lace-Lock System is constructed from an advanced polymer resin for a guaranteed quick, precise and secure closureStrategically positioned, race-derived TPU shin plate protector delivers superior impact and abrasion resistanceDual density TPU ankle protectors are strategically positioned between the upper and padded lining to provide the strategic protection in key areasReplaceable, dual density TPU toe slider with screw-in assembly provides comprehensive protective coverage around the outer toe area while still being supremely flexible for walking comfortReplaceable heel slider and external side heel slider are strategically positioned for optimum shock dissipation and absorption, while promoting sliding in the event of an accident