Packed with a host of innovative safety and protective features, the SMX-6 v3 Boots are the ultimate track and street performance riding boots packed with race-derived technology and protective materials designed to give riders a crucial performance edge on the track or street. With its newly designed upper, the SMX-6 v3 has been precision-engineered to closely conform to the anatomical contours of the foot, offering optimal flexibility and improved walking comfort. Every component on the SMX-6 v3 Boots has been carefully designed with rider performance in mind, including the protection innovations, improved ergonomics, and comfort features.

Key features
-Upper constructed from an advanced microfiber with a dedicated laser perforated area for breathability. The SMX-6 v3 Vented Boot has been engineered to offer lightweight, high-performance protection against abrasion and designed to provide superb levels of flexibility.
-New front flex and back flexion zones are constructed with textile over-injected on 3D mesh, with a soft 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 bio-mechanical support and protection between the lateral top calf, the 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.

Construction
-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 the heel counter and shin plate plus breathable mesh inserts on the back improve comfort and reduce fatigue on short and long rides.
-Perforation padding on the 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.
-New ergonomic elastic gaiter in front provides a precise fit in any condition.
-New 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.
-New pull flap with dedicated design for increasing pensility and facilitating the hook and loop closure.
-New, 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.

Protection
-TPU lateral ankle brace protection provides a biomechanical support and protection between lateral top calf/shin and ankle.
-Equipped with a new TPU shifter zone for superior protection on the lower medial side.
-A new 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.
-New back calf TPU bridge is designed to reinforce the level of protection and support.
-The SMX-6 v3 Vented Boots are CE certified to EN 13634:2017.

Alpinestars SMX-6 V3 Boots Vented Black/Silver/Red
Produced by Alpinestars of Italy