{"product_id":"alpinestars-stella-smx-1-r-v2-vented-motorcycle-boots-black-us-11-5-eu-44-part-2224121-10-44","title":"Alpinestars Stella SMX-1 R V2 Vented Motorcycle Boots, Black, US 11.5 \/ EU 44, Part 2224121-10-44","description":"Stella SMX-1 R V2 Vented Boots - Black - US 11.5 \/ EU 44\n\u003cp\u003eThe Alpinestars Stella SMX-1 R V2 Vented Boots are anatomically engineered for a women’s fit and designed for riders who want dependable protection, airflow, and control on the motorcycle. This black women’s riding boot is sized at US 11.5 \/ EU 44 and features an advanced microfiber upper for comfort, durability, and abrasion resistance. Extensive perforations, a textile front flex bellow, and an internal mesh lining promote cooling airflow and moisture management during warm-weather rides.\u003c\/p\u003e\u003cp\u003eProtection is built into the boot’s structure with double-density ankle protectors, an external high-modulus TPU heel counter, lateral ankle reinforcement, internal toe protection, and an integrated Alpinestars Transversal Protection Frame (TPF) in the sole. The replaceable bi-injected TPU forefoot slider uses an easy-screw design for convenient service. A durable Aramidic fiber strap system, anatomically angled closure strap, TPR puller, and reverse zipper provide a secure, supportive fit while making the boots easy to put on and remove.\u003c\/p\u003e\u003cp\u003eComfort and rider mobility are supported by ergonomic boot shaping, lightweight microfiber accordion flex zones at the instep and Achilles area, thermowelded flex grooves, and a removable anatomical footbed with EVA foam and Lycra. The exclusive Alpinestars compound rubber sole uses grip patterning to improve foot feel, traction, water dispersion, and durability on and off the bike. The TPU shift pad helps protect the upper in a high-contact control area, while the rear flex bellow and heel support system allow natural ankle movement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Designed for women’s motorcycle riding applications, the Stella SMX-1 R V2 Vented Boots fit riders requiring a US 11.5 \/ EU 44 boot. Manufacturer and vendor part number: Alpinestars 2224121-10-44.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWomen’s Fit: Anatomically engineered for a women’s foot profile and improved riding comfort.\u003c\/li\u003e\n\u003cli\u003eVentilation: Extensive perforations, a flex-window air intake, textile front bellow, and internal mesh lining promote airflow and moisture management.\u003c\/li\u003e\n\u003cli\u003eUpper Construction: Advanced microfiber upper provides comfort, durability, and abrasion resistance.\u003c\/li\u003e\n\u003cli\u003eProtective Structure: Double-density ankle protection, TPU heel and lateral ankle reinforcement, internal toe protection, and an integrated Transversal Protection Frame help manage impact and transverse loads.\u003c\/li\u003e\n\u003cli\u003eForefoot Slider: Replaceable bi-injected TPU forefoot slider features an easy-screw replacement design.\u003c\/li\u003e\n\u003cli\u003eClosure System: Reverse zipper, front hook-and-loop closure, and an anatomically angled Aramidic fiber strap provide a secure, supportive fit.\u003c\/li\u003e\n\u003cli\u003eFlexibility: Lightweight microfiber accordion zones and thermowelded flex grooves support controlled movement at the instep, medial side, and rear of the boot.\u003c\/li\u003e\n\u003cli\u003eShift Protection: Ergonomic TPU shift pad enhances durability in a high-contact control area.\u003c\/li\u003e\n\u003cli\u003eSole: Alpinestars compound rubber sole delivers grip, water dispersion, foot feel, and durability.\u003c\/li\u003e\n\u003cli\u003eFootbed: Removable anatomical footbed with EVA foam and Lycra supports comfort and fit.\u003c\/li\u003e\n\u003cli\u003eSize: US 11.5 \/ EU 44.\u003c\/li\u003e\n\u003cli\u003eColor: Black.\u003c\/li\u003e\n\u003cli\u003eBrand: Alpinestars.\u003c\/li\u003e\n\u003cli\u003eManufacturer and Vendor Part Number: 2224121-10-44.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ALPINESTARS","offers":[{"title":"Default Title","offer_id":67566226997483,"sku":"34010890","price":219.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/2103733.png?v=1790789104","url":"https:\/\/ctracingservices.com\/products\/alpinestars-stella-smx-1-r-v2-vented-motorcycle-boots-black-us-11-5-eu-44-part-2224121-10-44","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}