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ALPINESTARS Stella SMX-6 V3 Drystar® Boots (Black/White) — US 10 / EU 42 Engineered for confident track and street riding , the ALPINESTARS Stella SMX-6 V3 Drystar® Boots deliver race-derived protection with a women’s-specific fit for all-day comfort. Built around anatomical shaping and performance-first ergonomics, these mid-calf adventure touring boots feature an advanced Drystar® waterproof breathable liner to keep you moving in wet conditions—without sacrificing comfort. Key Features Drystar® waterproof and breathable technology for proven wet-weather performance Dedicated female fit for optimal riding comfort and improved walking feel Advanced microfiber upper for lightweight, flexible, high abrasion resistance Front flex & back flex zones with textile over-injected 3D mesh and soft TPU for natural movement Evolution of Alpinestars ankle brace system for biomechanical support and superior ankle articulation Lace-Lock System polymer resin closure for quick, precise, secure fit Ergonomic elastic gaiter and medial elastic-mounted zipper with wide hook-and-loop closure Dual compound removable anatomic footbed (EVA with Lycra top) plus internal shank reinforcement TPU shin plate , ankle brace , and toe sliders for targeted impact and abrasion protection Style & Performance Designed for Adventure Touring / Dual-Sport and Street riding, with a lightweight rubber compound sole for strong pedal grip. Details: Pair • Mid-Calf • Color: Black/White • Materials: Microfiber, Drystar®, TPU • Weight: 5.6 lbs • Size: US 10 / EU 42
Dedicated female fit for optimal riding comfort
Packed with a host of innovative safety and protective features, they 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
Precision-engineered to closely conform to the anatomical contours of the foot, offering optimal flexibility and improved walking comfort
Every component has been carefully designed with rider performance in mind, including the protection innovations, improved ergonomics, and comfort features
Equipped with Alpinestars Drystar® technology for proven wet weather performance and excellent levels of breathability
Advanced microfiber upper construction for lightweight, high-performance protection against abrasion and superb levels of flexibility
Incorporates Alpinestars waterproof and breathable Drystar® liner for excellent all-weather performance
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 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
Main upper material is constructed from microfiber to provide durability, high levels of abrasion resistance, and flexibility
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 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
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