{"product_id":"alpinestars-smx-plus-motorcycle-boots-black-white-red-fluorescent-us-11-5-eu-46-part-number-2221019-1231-46","title":"Alpinestars SMX Plus Motorcycle Boots Black\/White\/Red Fluorescent, US 11.5 \/ EU 46, Part Number 2221019-1231-46","description":"SMX Plus Boots - Black\/White\/Red Fluorescent - US 11.5 \/ EU 46\n\u003cp\u003eThe Alpinestars SMX Plus motorcycle boots combine advanced protection, flexibility, and secure adjustability for high-performance street and track riding. This black, white, and red fluorescent model is sized US 11.5 \/ EU 46 and features an advanced microfiber upper that provides lightweight abrasion resistance while allowing natural movement. Soft microfiber flex zones at the front and accordion panels at the Achilles and outside entry area help improve comfort, mobility, and ease of entry.\u003c\/p\u003e\u003cp\u003eAlpinestars Multi-Link Control system technology delivers external ankle protection and support while helping limit hyper-torsion, hyper-extension, and hyper-flexion. The contoured high-modulus shin plate, dual-density TPU replaceable toe slider, replaceable heel slider, and external side heel slider provide impact and abrasion protection while supporting controlled movement during a slide. Large asymmetrical accordion zones are positioned at the front and rear to improve flexibility without compromising protective coverage.\u003c\/p\u003e\u003cp\u003eThe SMX Plus boots use an inner instep speed-lacing closure, lateral zipper, Alpinestars Lace-Lock System, and hook-and-loop zip-pull retainer for a precise, secure fit. A micro-adjustable ratchet top closure helps stabilize the upper leg area. Inside, the breathable ankle and leg lining, open-cell foam-backed synthetic forefoot lining, and anatomical replaceable EVA footbed provide comfort, shock absorption, arch support, and improved pedal feel. The durable rubber sole offers consistent grip and riding feedback. Manufacturer part number: 2221019-1231-46. Vendor part number: 2221019-1231-46.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAdvanced microfiber upper: Lightweight construction with abrasion resistance and flexibility for demanding motorcycle use.\u003c\/li\u003e\n\u003cli\u003eMulti-Link Control system: Supports ankle articulation while limiting hyper-torsion, hyper-extension, and hyper-flexion.\u003c\/li\u003e\n\u003cli\u003eProtective slider system: Includes a replaceable dual-density TPU toe slider, replaceable heel slider, and external side heel slider.\u003c\/li\u003e\n\u003cli\u003eFlexible accordion zones: Front, rear, Achilles, and entry panels promote natural movement and comfort.\u003c\/li\u003e\n\u003cli\u003eSecure closure system: Combines inner instep speed lacing, lateral zipper, Lace-Lock System, hook-and-loop zip retainer, and micro-adjustable ratchet closure.\u003c\/li\u003e\n\u003cli\u003eImpact protection: Contoured high-modulus shin plate provides coverage against impacts and abrasion.\u003c\/li\u003e\n\u003cli\u003eComfort lining: Breathable ankle and leg areas plus open-cell foam-backed forefoot lining provide cushioning and airflow.\u003c\/li\u003e\n\u003cli\u003eReplaceable EVA footbed: Anatomical design supports the arch and improves forefoot pedal feel.\u003c\/li\u003e\n\u003cli\u003eDurable rubber sole: Evenly textured tread provides consistent grip and riding feedback.\u003c\/li\u003e\n\u003cli\u003eFitment: Designed for motorcycle riders seeking protective performance boots in US 11.5 \/ EU 46.\u003c\/li\u003e\n\u003cli\u003eBrand: Alpinestars.\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 2221019-1231-46.\u003c\/li\u003e\n\u003cli\u003eVendor part number: 2221019-1231-46.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ALPINESTARS","offers":[{"title":"Default Title","offer_id":67567902097643,"sku":"34041475","price":539.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/1867533.png?v=1790799076","url":"https:\/\/ctracingservices.com\/products\/alpinestars-smx-plus-motorcycle-boots-black-white-red-fluorescent-us-11-5-eu-46-part-number-2221019-1231-46","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}