{"product_id":"alpinestars-supertech-r-motorcycle-boots-black-white-us-7-5-eu-41-part-2220021-12-41","title":"Alpinestars Supertech R Motorcycle Boots Black\/White US 7.5 \/ EU 41, Part 2220021-12-41","description":"Supertech R Boots - Black\/White - US 7.5 \/ EU 41\n\u003cp\u003eThe Alpinestars Supertech R motorcycle boots deliver advanced protection, flexibility, and precise fit for high-performance street and track riding. This black and white boot is sized for US 7.5 \/ EU 41 and features an advanced microfiber upper that combines lightweight construction with strong abrasion resistance. Flexible microfiber panels at the front, Achilles area, and accordion zones support natural forward, backward, and lateral movement while maintaining protective coverage.\u003c\/p\u003e\u003cp\u003eExternal protection is provided by a contoured high-modulus shin plate, dual-density TPU toe slider, replaceable heel slider, and external side heel slider. Alpinestars’ Multi-Link Control system helps limit excessive ankle torsion, hyperextension, and hyperflexion while adding Achilles impact protection. A wide heel counter with lateral ventilation, shock-absorbing padding, and self-molding ankle reinforcement support the ankle during demanding riding conditions. Strategically positioned ventilation zones in the heel and shin improve airflow, while breathable lining and open-cell foam provide comfort and impact absorption.\u003c\/p\u003e\u003cp\u003eThe Alpinestars Lace-Lock System, inner instep speed-lacing closure, lateral zipper, and hook-and-loop zip-pull tab work together for a secure, adjustable fit. A micro-adjustable ratchet top closure neatly stores the tab end. The anatomical, replaceable EVA footbed provides arch support and pedal feedback, while the durable textured rubber sole promotes consistent grip and riding feel. Manufacturer part number 2220021-12-41 and vendor part number 2220021-12-41 identify this Alpinestars Supertech R boot configuration.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAdvanced microfiber upper: Provides lightweight performance, abrasion resistance, and flexibility.\u003c\/li\u003e\n\u003cli\u003eFlexible accordion panels: Support natural movement at the front, Achilles, and ankle areas.\u003c\/li\u003e\n\u003cli\u003eTPU ventilation construction: Promotes airflow and breathability during riding.\u003c\/li\u003e\n\u003cli\u003eMulti-Link Control system: Helps limit excessive ankle torsion, hyperextension, and hyperflexion.\u003c\/li\u003e\n\u003cli\u003eContoured shin plate: Delivers impact and abrasion protection.\u003c\/li\u003e\n\u003cli\u003eDual-density toe slider: Provides protective outer-toe coverage with a replaceable screw-in design.\u003c\/li\u003e\n\u003cli\u003eReplaceable heel sliders: Help absorb and dissipate impact while promoting controlled sliding.\u003c\/li\u003e\n\u003cli\u003eAnkle reinforcement: Combines a wide heel counter, padding, ventilation, and self-molding support.\u003c\/li\u003e\n\u003cli\u003eSecure closure system: Includes Alpinestars Lace-Lock, speed lacing, lateral zipper, and hook-and-loop retention.\u003c\/li\u003e\n\u003cli\u003eMicro-adjustable ratchet closure: Allows a precise upper fit and neatly stores the closure tab.\u003c\/li\u003e\n\u003cli\u003eAnatomical EVA footbed: Provides arch support and improved forefoot pedal feel.\u003c\/li\u003e\n\u003cli\u003eTextured rubber sole: Delivers durable performance and consistent grip.\u003c\/li\u003e\n\u003cli\u003eFitment: Designed for motorcycle and sport riding applications; US 7.5 \/ EU 41.\u003c\/li\u003e\n\u003cli\u003eBrand: Alpinestars.\u003c\/li\u003e\n\u003cli\u003eModel: Supertech R.\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 2220021-12-41.\u003c\/li\u003e\n\u003cli\u003eVendor part number: 2220021-12-41.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ALPINESTARS","offers":[{"title":"Default Title","offer_id":67569421123819,"sku":"34010922","price":649.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/2129939.png?v=1790805429","url":"https:\/\/ctracingservices.com\/products\/alpinestars-supertech-r-motorcycle-boots-black-white-us-7-5-eu-41-part-2220021-12-41","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}