As low as $54.99/mo with or . (Pay in 4 interest-free payments)
ALPINESTARS Stella SMX-1 R V2 Vented Boots (Black) Designed for confident street riding, the ALPINESTARS Stella SMX-1 R V2 Vented Boots deliver a precise women’s fit, breathable ventilation, and advanced protection where it matters most. Built with durable materials, ergonomic flex zones, and a secure closure system, these over-ankle boots help you stay comfortable and in control from commute to city sprint. Key Features Anatomically engineered women’s fit for optimized feel and control. Rear flex bellow with flex window that doubles as an air intake for effective airflow. Extensive perforations throughout for maximum ventilation; front bellow textile for breathability. TPU shift pad with improved durability in a critical wear area. Ergonomic TPU heel counter support system works with strap closure for fit, support, and structural integrity. Double density ankle protector on both sides for abrasion resistance and key-area protection. Transversal Protection Frame (TPF) integrated into the sole for protection against transversal loads. Alpinestars exclusive compound rubber sole with grip patterning for feel, traction, and durability; helps with water dispersion. Replaceable bi-injected TPU forefoot slider with easy-screw fixing for quicker replacement. Reverse zip closure for convenient in/out. Removable anatomic foot-bed with EVA foam and Lycra®; internal mesh lining for moisture-wicking comfort. Specifications Brand: ALPINESTARS Model: Stella SMX-1 R V2 Base Color: Black Size: US 8.5 / EU 40 Type: Performance, Riding, Street; Over-Ankle Materials: Microfiber, TPU, TPR Pair
Anatomically engineered for an optimized women’s fit
Rear flex bellow is equipped with a flex window, which also acts as an air intake for effective ventilation and airflow
New ergonomic Thermoplastic Polyurethane (TPU) shift pad for enhanced durability in a critical area
Main upper constructed from an advanced microfiber for comfort, durability and excellent of abrasion resistance
Rear of heel counter has been designed with soft Thermoplastic Rubber (TPR) insert which works seamlessly with the rear flex zone to allow for improved freedom of ankle movement and comfort on the bike’s controls
Innovative heel counter support system, which works in conjunction with a strap closure to offer improved fit and support, as well as structural integrity
Extensive perforations throughout for maximum airflow, with a front bellow constructed from textile material for enhanced breathability
Ergonomic boot shaping for forefoot streamlining which offers wide-ranging foot profile fit and comfort
Strap features TPR puller for ease of use
Aramidic fiber wires ensure the new strap closure system is durable, thin and lightweight
Evolved closure strap is anatomically angled to follow natural shape of rider’s instep
Alpinestars exclusive compound rubber sole with grip patterning to promote improved feel and grip, water dispersion and durability
Front Velcro® closure system offers a quick and secure fit over the instep area while permitting excellent levels of flex
Sole features integrated Alpinestars' Transversal Protection Frame (TPF) to protect against possible transversal loads
Instep and Achilles’ accordion flex zones are constructed from lightweight microfiber for optimized levels of durability, comfort and maneuverability on and off the bike
Thermowelded flex grooves to control the flexion and flexibility of the shoe; instep, medial and back
Integrated, replaceable bi-injected TPU forefoot slider features new easy-screw fixing concept for quicker and easier replacement
Reverse zip closure ensures convenient in and out
Double density ankle protector on both sides layered under the upper offers protective performance and abrasion resistance in key area
External, high modulus TPU heel counter, lateral ankle and shift pad for improved shock protection and durability
Internal toe box protection is layered under the upper for durability, improved feel and performance
Removable anatomic foot-bed includes EVA foam and Lycra® for comfort and support
Internal mesh lining for cooling comfort and moisture-wicking
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