Features

• Dedicated female fit for optimal riding comfort
• Packed with a host of innovative safety and protective features, the Stella SMX-6 v3 Vented 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
• Upper been 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 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 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
• 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 rides
• 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 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
• New back calf TPU bridge is designed to reinforce the level of protection and support

Specs