Precision-engineered to closely conform to the anatomical contours of the foot, offering optimal flexibility, improved walking comfort, and breathability

Every component has been carefully designed with rider performance in mind, including the protection innovations, improved ergonomics, and comfort features

Upper constructed from an advanced microfiber with a dedicated laser perforated area for breathability

Engineered to offer light weight, high-performance to provide superb levels of flexibility protection against abrasion and designed to provide superb levels of flexibility

Front flex and back flexion zones are constructed with textile over-injected on 3D mesh, with soft Thermoplastic Polyurethane (TPU) for enhanced impact abrasion while also promoting a natural forwards and backwards movement

An evolution of Alpinestars unique ankle brace protection system provides a biomechanical support and protection between lateral top calf, shin and ankle, for superior ankle articulation, as well as providing Achilles and ankle impact protection

Alpinestars Lace-Lock System is constructed from an advanced polymer resin for a guaranteed quick, precise, and secure closure

Main upper material is constructed from microfiber with an area that has laser perforations to provide durability, high levels of abrasion resistance, and flexibility, as well as breathability

Air vents on heel counter and shin plate plus breathable mesh inserts on the back improve comfort and reduce fatigue on short and long ride

Perforation padding on entire boot, including front and rear bellow, collar, and ankle for added ventilation and breathability, as well as premium rider comfort

Ergonomic last for forefoot streamlining to enable greater control and improved precision on the bike’s controls

Ergonomic elastic gaiter in front provides a precise fit in any condition
Front flex and back flex design combines textile and over-injected, soft TPU areas, offering improved impact abrasion and optimal, natural front and back movement of the foot

Medial side entry opening/closure system features elastic-mounted zipper with wide hook and loop closure

Streamlined contact surface with the bike for greater control and rider comfort

Pull flap with dedicated design for increasing pensility and facilitating the hook and loop closure

Dual compound removable anatomic footbed made in EVA with Lycra on top

Internal insole with integrated shank reinforcement for support to the arch area and foot protection

Internal toe box protection is layered under the upper for durability, improved feel, and overall performance

Sole is constructed from a lightweight rubber compound offering excellent grip on the pedal box

TPU lateral ankle brace protection provides a biomechanical support and protection between lateral top calf/shin and ankle

Equipped with a TPU shifter zone for superior protection on the lower medial side

Strategically positioned, race-derived TPU shin plate protector delivers superior impact and abrasion resistance while offering a more compact design, so the boot fits easily under the pants

Dual density TPU ankle protectors are strategically positioned between the upper on the medial side and the padded lining to provide the strategic protection in key areas

Replaceable, dual density TPU toe sliders with screw-in assembly provides comprehensive protective coverage around the outer toe area while still being supremely flexible for walking comfort

Back calf TPU bridge is designed to reinforce the level of protection and support

Thumbnail Filmstrip of Alpinestars SMX-6 V3 Boots Vented Black Images

SKU: FWAP4563 Alpinestars SMX-6 V3 Boots Vented Black