{"product_id":"alpinestars-smx-s-motorcycle-boots-black-white-us-11-5-eu-46-part-number-2223517-12-46","title":"Alpinestars SMX-S Motorcycle Boots Black\/White US 11.5, EU 46 - Part Number 2223517-12-46","description":"SMX-S Boots - Black\/White - US 11.5 \/ EU 46\n\u003cp\u003eThe Alpinestars SMX-S motorcycle boots are designed for riders seeking dependable protection, comfort, and precise fit during street and sport riding. This black and white size US 11.5, EU 46 boot features a durable high-tech microfiber upper that balances flexibility with abrasion resistance. The ergonomic last, shaped forefoot, large throat profile, and Achilles flex bellows support natural movement while maintaining a secure, performance-oriented fit.\u003c\/p\u003e\u003cp\u003eProtection is built into the SMX-S boot with double-injected polyurethane shields covering the shin, ankle, calf, toe, and heel. A concealed inner protective panel connects to the heel counter and extends along the outer ankle for additional impact and abrasion protection. The interchangeable bi-injected polyurethane toe slider uses a convenient snap-in assembly, while the exclusive compound rubber sole incorporates structured shank reinforcement to support the arch area.\u003c\/p\u003e\u003cp\u003eComfort and ventilation are supported by a quick-drying polyamide lining laminated with open-cell foam and high-density contoured padding to help absorb shocks around the foot. Air vents at the ankle, heel, and forefoot are covered with purpose-designed mesh to promote airflow. The MTP mesh liner and removable anatomical polyurethane foam footbed help keep the foot cool and comfortable. An inner-side entry system uses an elastic-mounted zipper and wide hook-and-loop flap for easy access and a precise fit.\u003c\/p\u003e\u003cp\u003eManufactured by Alpinestars and supplied under vendor part number 2223517-12-46, these SMX-S boots fit riders requiring a US 11.5 or EU 46 motorcycle boot. They are suitable for street and sport applications where flexible movement, ventilation, sole support, and integrated lower-leg and foot protection are important.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: US 11.5 \/ EU 46\u003c\/li\u003e\n\u003cli\u003eModel: SMX-S motorcycle boots\u003c\/li\u003e\n\u003cli\u003eColor: Black\/White\u003c\/li\u003e\n\u003cli\u003eBrand: Alpinestars\u003c\/li\u003e\n\u003cli\u003eManufacturer: Alpinestars\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 2223517-12-46\u003c\/li\u003e\n\u003cli\u003eUpper: Durable high-tech microfiber construction for flexibility and abrasion resistance\u003c\/li\u003e\n\u003cli\u003eProtection: Double-injected polyurethane shields protect the shin, ankle, calf, toe, and heel\u003c\/li\u003e\n\u003cli\u003eInner Protection: Concealed double-injected panel extends from the heel counter along the outer ankle\u003c\/li\u003e\n\u003cli\u003eToe Slider: Interchangeable bi-injected polyurethane slider with snap-in assembly\u003c\/li\u003e\n\u003cli\u003eSole: Exclusive rubber compound with structured shank reinforcement for arch support\u003c\/li\u003e\n\u003cli\u003eLining: Quick-drying polyamide lining with open-cell foam and contoured padding\u003c\/li\u003e\n\u003cli\u003eVentilation: Mesh-covered air vents at the ankle, heel, and forefoot\u003c\/li\u003e\n\u003cli\u003eComfort: MTP mesh liner and removable anatomical polyurethane foam footbed\u003c\/li\u003e\n\u003cli\u003eClosure: Inner-side elastic-mounted zipper with wide hook-and-loop flap\u003c\/li\u003e\n\u003cli\u003eFit: Ergonomic last, shaped forefoot, and flex bellows for precise fit and movement\u003c\/li\u003e\n\u003cli\u003eFitment: Designed for street and sport motorcycle riding\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ALPINESTARS","offers":[{"title":"Default Title","offer_id":67567419523307,"sku":"34041338","price":299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/1751718.png?v=1790796450","url":"https:\/\/ctracingservices.com\/products\/alpinestars-smx-s-motorcycle-boots-black-white-us-11-5-eu-46-part-number-2223517-12-46","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}