{"product_id":"alpinestars-smx-plus-motorcycle-boots-black-white-red-fluorescent-us-10-5-eu-45-part-2221019-1231-45","title":"Alpinestars SMX Plus Motorcycle Boots Black\/White\/Red Fluorescent US 10.5 \/ EU 45, Part 2221019-1231-45","description":"SMX Plus Boots - Black\/White\/Red Fluorescent - US 10.5 \/ EU 45\n\u003cp\u003eThe Alpinestars SMX Plus motorcycle boots combine advanced protection, flexible movement, and secure closure performance for sport and performance riding. This Black\/White\/Red Fluorescent model is sized at US 10.5 \/ EU 45 and is identified by manufacturer and vendor part number 2221019-1231-45. The lightweight microfiber upper provides abrasion resistance while supporting natural forward and backward movement, making these boots suitable for riders who need dependable protection without sacrificing riding comfort.\u003c\/p\u003e\u003cp\u003eAn evolution of Alpinestars’ Multi-Link Control system provides external ankle support and helps limit hyper-torsion, hyper-extension, and hyper-flexion. The system also contributes to Achilles and ankle impact protection. A contoured high-modulus shin plate enhances impact and abrasion resistance, while the dual-density TPU replaceable toe slider, replaceable heel slider, and external side heel slider provide protective coverage and help dissipate impact forces during a slide.\u003c\/p\u003e\u003cp\u003eFlexibility is supported by soft microfiber front flex areas, accordion microfiber at the Achilles, and large asymmetrical accordion zones at the front and rear. A stretchable outside entry panel helps provide a close fit and easier entry and removal. The inner instep speed-lacing closure, lateral zipper, Alpinestars Lace-Lock System, and micro-adjustable ratchet top closure work together for a precise, secure fit. Hook-and-loop tabs keep the zipper pull secured and flat during use.\u003c\/p\u003e\u003cp\u003eInside, the advanced synthetic forefoot lining is laminated with open-cell foam for shock absorption, while breathable lining through the ankle and leg areas supports comfort. An anatomical, replaceable contoured EVA footbed provides arch support and improved forefoot pedal feel. The durable rubber sole is evenly textured for consistent grip and improved riding feedback. The Alpinestars SMX Plus is designed to fit sport riders seeking integrated protection, adjustable closure, flexible articulation, and reliable motorcycle-specific performance.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: US 10.5 \/ EU 45\u003c\/li\u003e\n\u003cli\u003eModel: SMX Plus\u003c\/li\u003e\n\u003cli\u003eBrand: Alpinestars\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: 2221019-1231-45\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 2221019-1231-45\u003c\/li\u003e\n\u003cli\u003eColor: Black\/White\/Red Fluorescent\u003c\/li\u003e\n\u003cli\u003eConstruction: Lightweight microfiber upper with abrasion-resistant front flex area\u003c\/li\u003e\n\u003cli\u003eAnkle Protection: Multi-Link Control system helps limit hyper-torsion, hyper-extension, and hyper-flexion\u003c\/li\u003e\n\u003cli\u003eImpact Protection: Contoured high-modulus shin plate with replaceable toe, heel, and side heel sliders\u003c\/li\u003e\n\u003cli\u003eFlexibility: Accordion microfiber Achilles section and asymmetrical front and rear flex zones\u003c\/li\u003e\n\u003cli\u003eClosure: Inner instep speed lacing, lateral zipper, Lace-Lock System, and micro-adjustable ratchet closure\u003c\/li\u003e\n\u003cli\u003eComfort: Breathable ankle and leg lining with open-cell foam forefoot lining\u003c\/li\u003e\n\u003cli\u003eFootbed: Replaceable contoured EVA footbed with arch support\u003c\/li\u003e\n\u003cli\u003eOutsole: Durable textured rubber sole for consistent grip and riding feel\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ALPINESTARS","offers":[{"title":"Default Title","offer_id":67567846031595,"sku":"34041474","price":539.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/1867585.png?v=1790798586","url":"https:\/\/ctracingservices.com\/products\/alpinestars-smx-plus-motorcycle-boots-black-white-red-fluorescent-us-10-5-eu-45-part-2221019-1231-45","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}