{"product_id":"alpinestars-supertech-r-motorcycle-boots-black-us-8-eu-42-part-number-2220021-10-42","title":"Alpinestars Supertech R Motorcycle Boots Black US 8 \/ EU 42, Part Number 2220021-10-42","description":"Supertech R Boots - Black - US 8 \/ EU 42\n\u003cp\u003eThe Alpinestars Supertech R motorcycle boots are designed for high-performance road and track riding, combining advanced protection with the flexibility needed for precise motorcycle control. This black model is sized for US 8 \/ EU 42 and features an advanced microfiber upper that helps reduce weight while providing abrasion resistance, durability, and natural front-to-back movement. Soft microfiber sections across the flex areas improve comfort and mobility during riding.\u003c\/p\u003e\u003cp\u003eProtection is provided by a contoured high-modulus shin plate, TPU components, and Alpinestars’ Multi-Link Control system. The external ankle support helps limit hyper-torsion, hyper-extension, and hyper-flexion while also providing Achilles impact protection. Replaceable toe, heel, and external side heel sliders help shield key impact zones and are designed to promote controlled sliding during an accident. Ventilation zones in the heel and shin, along with breathable ankle and leg materials, help support airflow and comfort during extended use.\u003c\/p\u003e\u003cp\u003eThe Supertech R includes large asymmetrical accordion zones at the front and rear for improved flexibility, stretch panels at the entry and exit areas for a secure fit, and a micro-adjustable ratchet top closure. The Alpinestars Lace-Lock System, inner instep speed lacing closure, and lateral zipper provide precise fastening and easy entry. A hook-and-loop tab secures the zipper pull, while the anatomical replaceable EVA footbed offers arch support and improved pedal feel. The durable textured rubber sole delivers dependable grip for street and track applications. Manufactured by Alpinestars and sold under vendor part number 2220021-10-42, these boots fit riders seeking race-oriented protection in a US 8 \/ EU 42 configuration.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: US 8 \/ EU 42\u003c\/li\u003e\n\u003cli\u003eModel: Supertech R\u003c\/li\u003e\n\u003cli\u003eBrand: Alpinestars\u003c\/li\u003e\n\u003cli\u003eManufacturer: Alpinestars\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 2220021-10-42\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eUpper Construction: Advanced microfiber construction provides lightweight abrasion resistance and flexibility\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 helps resist impact and abrasion\u003c\/li\u003e\n\u003cli\u003eSlider System: Replaceable TPU toe slider, heel slider, and external side heel slider\u003c\/li\u003e\n\u003cli\u003eVentilation: Strategically positioned heel, shin, ankle, and leg ventilation areas support airflow\u003c\/li\u003e\n\u003cli\u003eClosure System: Lace-Lock system, speed lacing, lateral zipper, and micro-adjustable ratchet top closure\u003c\/li\u003e\n\u003cli\u003eFit: Stretch accordion panels and asymmetrical flex zones support a close, comfortable fit\u003c\/li\u003e\n\u003cli\u003eFootbed: Replaceable anatomical EVA footbed provides arch support and pedal feel\u003c\/li\u003e\n\u003cli\u003eSole: Durable textured rubber sole delivers consistent grip\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ALPINESTARS","offers":[{"title":"Default Title","offer_id":67568700063979,"sku":"34010903","price":649.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/2103240.png?v=1790802635","url":"https:\/\/ctracingservices.com\/products\/alpinestars-supertech-r-motorcycle-boots-black-us-8-eu-42-part-number-2220021-10-42","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}