{"product_id":"alpinestars-supertech-r-motorcycle-boots-red-us-7-5-eu-41-part-2220021-3029-41","title":"Alpinestars Supertech R Motorcycle Boots Red US 7.5 \/ EU 41, Part 2220021-3029-41","description":"Supertech R Boots - Red - US 7.5 \/ EU 41\n\u003cp\u003eThe Alpinestars Supertech R motorcycle boots are engineered for high-performance sport riding, track use, and demanding street applications. This red US 7.5 \/ EU 41 model combines an advanced microfiber upper with strategically placed stretch and accordion panels to provide a close, supportive fit while maintaining natural forward, backward, and lateral movement. The manufacturer part number and vendor part number are both 2220021-3029-41.\u003c\/p\u003e\u003cp\u003eProtection is built into the boot with a contoured high-modulus shin plate, external ankle support, replaceable toe and heel sliders, and a wide heel counter with shock-absorbing padding. Alpinestars Multi-Link Control system helps limit hyper-torsion, hyper-extension, and hyper-flexion while supporting ankle articulation and providing Achilles impact protection. A dual-density TPU toe slider and external side heel slider help promote controlled sliding and dissipate impact energy during an incident.\u003c\/p\u003e\u003cp\u003eFeature: Breathable TPU construction and strategically positioned ventilation in the heel and shin improve airflow during extended rides. Feature: Flexible accordion microfiber zones at the Achilles, front, and rear enhance mobility without sacrificing support. Feature: Alpinestars Lace-Lock System, inner instep speed lacing, and a lateral zipper provide a precise, secure closure. Feature: The micro-adjustable ratchet top closure and hook-and-loop tab keep the zipper pull secured and flat. Feature: An anatomical, replaceable EVA footbed provides arch support and pedal feel, while the durable textured rubber sole delivers consistent grip. The advanced synthetic forefoot lining with open-cell foam adds shock absorption, and breathable ankle and leg linings improve comfort. These boots are designed to fit riders seeking race-inspired protection and responsive control in the specified US 7.5 \/ EU 41 size.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAdvanced microfiber upper provides lightweight protection, flexibility, and abrasion resistance\u003c\/li\u003e\n\u003cli\u003eAlpinestars Multi-Link Control system supports ankle articulation and helps limit hyper-torsion, hyper-extension, and hyper-flexion\u003c\/li\u003e\n\u003cli\u003eContoured high-modulus shin plate offers impact and abrasion protection\u003c\/li\u003e\n\u003cli\u003eReplaceable dual-density TPU toe slider with screw-in assembly protects the outer toe area\u003c\/li\u003e\n\u003cli\u003eReplaceable heel slider and external side heel slider help absorb impact and promote controlled sliding\u003c\/li\u003e\n\u003cli\u003eBreathable TPU panels and ventilation zones improve airflow through the heel and shin\u003c\/li\u003e\n\u003cli\u003eAccordion microfiber zones support natural movement at the Achilles, forefoot, and rear of the boot\u003c\/li\u003e\n\u003cli\u003eAlpinestars Lace-Lock System, speed lacing, and lateral zipper provide secure, adjustable closure\u003c\/li\u003e\n\u003cli\u003eAnatomical replaceable EVA footbed provides arch support and enhanced pedal feel\u003c\/li\u003e\n\u003cli\u003eDurable textured rubber sole delivers consistent grip and riding feedback\u003c\/li\u003e\n\u003cli\u003eBrand: Alpinestars\u003c\/li\u003e\n\u003cli\u003eModel: Supertech R\u003c\/li\u003e\n\u003cli\u003eSize: US 7.5 \/ EU 41\u003c\/li\u003e\n\u003cli\u003eColor: Red\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 2220021-3029-41\u003c\/li\u003e\n\u003cli\u003eVendor part number: 2220021-3029-41\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ALPINESTARS","offers":[{"title":"Default Title","offer_id":67566170538219,"sku":"34011110","price":649.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/2993403.png?v=1790787905","url":"https:\/\/ctracingservices.com\/products\/alpinestars-supertech-r-motorcycle-boots-red-us-7-5-eu-41-part-2220021-3029-41","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}