{"product_id":"alpinestars-supertech-r-motorcycle-boots-red-us-11-5-eu-46-part-number-2220021-3029-46","title":"Alpinestars Supertech R Motorcycle Boots Red, US 11.5 \/ EU 46, Part Number 2220021-3029-46","description":"Supertech R Boots - Red - US 11.5 \/ EU 46\n\u003cp\u003eThe Alpinestars Supertech R motorcycle boots deliver advanced protection, flexibility, and rider-focused control for high-performance street and track riding. This red model is sized at US 11.5 \/ EU 46 and features an advanced microfiber upper for lightweight comfort and abrasion resistance. Strategically positioned ventilation zones in the heel and shin promote airflow, while flexible accordion panels at the front, rear, Achilles, and entry area support natural movement and provide a close, secure fit.\u003c\/p\u003e\u003cp\u003eProtection is provided by a contoured high-modulus shin plate, Thermoplastic Polyurethane (TPU) reinforcement, and Alpinestars Multi-Link Control System. This external ankle protection system helps limit hyper-torsion, hyper-extension, and hyper-flexion while also helping protect the Achilles area during an impact. Dual-density TPU replaceable toe sliders, a replaceable heel slider, and an external side heel slider help dissipate impact energy and encourage controlled sliding in an accident. A wide ventilated heel counter, shock-absorbing padded insert, and self-molding ankle reinforcement add support around the foot and ankle.\u003c\/p\u003e\u003cp\u003eFit and closure features include the Alpinestars Lace-Lock System, an inner instep speed-lacing closure, a lateral zipper, and a hook-and-loop tab that secures the zipper pull. The micro-adjustable ratchet top closure stores the tab end for a streamlined finish. Inside, the advanced synthetic forefoot lining uses open-cell foam for shock absorption, while breathable materials in the ankle and leg areas improve comfort during extended riding. The anatomical, replaceable contoured EVA footbed provides arch support and pedal feel, and the durable rubber sole delivers consistent grip through an evenly textured surface.\u003c\/p\u003e\u003cp\u003eManufactured by Alpinestars, the Supertech R is identified by manufacturer and vendor part number 2220021-3029-46. Its performance-oriented construction and replaceable slider components make it a suitable fit for riders seeking race-inspired motorcycle footwear with dependable protection, precise closure, and unrestricted control.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAdvanced microfiber upper: Provides lightweight protection, abrasion resistance, and flexible performance.\u003c\/li\u003e\n\u003cli\u003eVentilation: TPU and strategically positioned heel and shin ventilation zones promote airflow.\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\u003eShin protection: Contoured high-modulus shin plate provides impact and abrasion resistance.\u003c\/li\u003e\n\u003cli\u003eToe protection: Dual-density TPU replaceable toe slider uses a secure screw-in assembly.\u003c\/li\u003e\n\u003cli\u003eHeel protection: Replaceable heel and external side heel sliders help absorb impact and promote controlled sliding.\u003c\/li\u003e\n\u003cli\u003eFlexible construction: Accordion microfiber zones at the front, rear, Achilles, and entry area support natural movement.\u003c\/li\u003e\n\u003cli\u003eClosure system: Alpinestars Lace-Lock System, inner speed lacing, lateral zipper, and hook-and-loop tab provide a precise fit.\u003c\/li\u003e\n\u003cli\u003eComfort lining: Open-cell foam forefoot lining absorbs shock, while breathable ankle and leg materials improve comfort.\u003c\/li\u003e\n\u003cli\u003eFootbed: Anatomical, replaceable contoured EVA footbed offers arch support and improved pedal feel.\u003c\/li\u003e\n\u003cli\u003eOutsole: Durable textured rubber sole provides consistent grip and riding feedback.\u003c\/li\u003e\n\u003cli\u003eSize and fit: Red Alpinestars Supertech R boots in US 11.5 \/ EU 46.\u003c\/li\u003e\n\u003cli\u003eManufacturer and vendor part number: Alpinestars 2220021-3029-46.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ALPINESTARS","offers":[{"title":"Default Title","offer_id":67566169194731,"sku":"34011116","price":649.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/2993404.png?v=1790787878","url":"https:\/\/ctracingservices.com\/products\/alpinestars-supertech-r-motorcycle-boots-red-us-11-5-eu-46-part-number-2220021-3029-46","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}