{"product_id":"alpinestars-supertech-r-motorcycle-boots-black-us-9-eu-43-part-2220021-1100-43","title":"Alpinestars Supertech R Motorcycle Boots Black US 9 \/ EU 43, Part 2220021-1100-43","description":"Supertech R Boots - Black - US 9 \/ EU 43\n\u003cp\u003eThe Alpinestars Supertech R Motorcycle Boots are high-performance riding boots designed for demanding street and track use. This black model is sized for US 9 \/ EU 43 and features an advanced microfiber upper that delivers lightweight protection, flexibility, and abrasion resistance. The boot’s anatomical construction supports natural forward-and-backward movement while maintaining a secure, close-fitting profile.\u003c\/p\u003e\u003cp\u003eProtection 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 support ankle articulation and limits hyper-torsion, hyper-extension, and hyper-flexion while contributing to Achilles impact protection. Ventilation zones in the heel and shin promote airflow, while the wide heel counter, padded insert, and self-molding ankle reinforcement provide additional support and impact absorption.\u003c\/p\u003e\u003cp\u003eLarge asymmetrical accordion zones at the front and rear improve flexibility, while the stretchable outer entry panel allows easier entry and removal with a close fit. The Alpinestars Lace-Lock System, inner instep speed lacing closure, lateral zipper, and hook-and-loop zip tab work together for precise, secure fastening. A breathable, shock-absorbing interior lining and anatomical replaceable EVA footbed provide comfort, arch support, and reliable pedal feel. The durable rubber sole is evenly textured for consistent grip and riding feedback.\u003c\/p\u003e\u003cp\u003eThis product is manufactured by Alpinestars and supplied under vendor part number 2220021-1100-43. Fitment is intended for riders seeking a protective motorcycle boot in black, US men's size 9 \/ EU size 43. Replacement toe and heel slider components help extend serviceability for continued riding use.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: US 9 \/ EU 43\u003c\/li\u003e\n\u003cli\u003eModel: Supertech R Motorcycle Boots\u003c\/li\u003e\n\u003cli\u003eBrand: Alpinestars\u003c\/li\u003e\n\u003cli\u003eManufacturer: Alpinestars\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 2220021-1100-43\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eUpper Construction: Advanced microfiber construction provides lightweight protection, flexibility, and abrasion resistance\u003c\/li\u003e\n\u003cli\u003eAnkle Protection: Multi-Link Control system helps limit excessive ankle movement and supports articulation\u003c\/li\u003e\n\u003cli\u003eShin Protection: Contoured high-modulus shin plate provides impact and abrasion resistance\u003c\/li\u003e\n\u003cli\u003eSlider Protection: Replaceable dual-density TPU toe slider, heel slider, and external side heel slider\u003c\/li\u003e\n\u003cli\u003eVentilation: Strategically positioned heel and shin ventilation areas improve airflow\u003c\/li\u003e\n\u003cli\u003eClosure: Lace-Lock System, speed lacing, lateral zipper, and hook-and-loop zip tab provide a precise fit\u003c\/li\u003e\n\u003cli\u003eComfort: Breathable lining, shock-absorbing foam, and replaceable anatomical EVA footbed\u003c\/li\u003e\n\u003cli\u003eGrip: Durable textured rubber sole delivers consistent traction and riding feel\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ALPINESTARS","offers":[{"title":"Default Title","offer_id":67566207533291,"sku":"34010978","price":649.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/2485073.png?v=1790788651","url":"https:\/\/ctracingservices.com\/products\/alpinestars-supertech-r-motorcycle-boots-black-us-9-eu-43-part-2220021-1100-43","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}