{"product_id":"alpinestars-supertech-r-vented-motorcycle-boots-black-us-9-eu-43-part-number-2220121-10-43","title":"Alpinestars Supertech R Vented Motorcycle Boots, Black, US 9 \/ EU 43, Part Number 2220121-10-43","description":"Supertech R Vented Boots - Black - US 9 \/ EU 43\n\u003cp\u003eThe Alpinestars Supertech R Vented Motorcycle Boots are designed for sport and track riders seeking advanced protection, airflow, and precise foot control. This black US 9 \/ EU 43 model uses a microfiber upper with dedicated laser-perforated zones to promote ventilation while maintaining flexibility and abrasion resistance. The boot is built around a separate, updated bio-mechanical inner bootie made from 3D mesh material, providing structure, rider comfort, ankle support, and natural foot movement.\u003c\/p\u003e\u003cp\u003eProtection is supplied by a redesigned TPU shin plate, replaceable shin slider, TPU shifter, reinforced toe area, and additional ankle padding. Replaceable co-injected TPU and aluminum toe sliders use an easy screw system to help protect the toe against abrasion, while the replaceable heel plate slider supports controlled movement and protection during a crash. A lightweight rubber compound sole delivers dependable grip on the foot pegs, and the synthetic microfiber medial panel improves abrasion resistance and contact with the motorcycle.\u003c\/p\u003e\u003cp\u003eThe Supertech R Vented Boots feature a TPU stretch panel with a zipper for easier entry and exit, along with a hook-and-loop closure that keeps the zipper pull secured during riding. A micro-adjustable ratchet closure at the top helps provide a close, optimized fit. The front flex area supports natural forward and backward movement while improving impact abrasion resistance and airflow. A redesigned stretch microfiber rear bellow and microfiber top gaiter with TPU over-injection further enhance mobility, fit, and grip. Alpinestars manufacturer and vendor part number 2220121-10-43 identifies this specific black US 9 \/ EU 43 configuration.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLightweight rubber compound sole provides secure grip on motorcycle foot pegs\u003c\/li\u003e\n\u003cli\u003eSeparate 3D mesh bio-mechanical inner bootie improves structure, comfort, and foot stability\u003c\/li\u003e\n\u003cli\u003eMicrofiber upper with laser-perforated zones supports airflow, flexibility, and abrasion resistance\u003c\/li\u003e\n\u003cli\u003eSynthetic microfiber medial panel improves abrasion resistance and rider-bike feel\u003c\/li\u003e\n\u003cli\u003eRedesigned TPU shin plate enhances impact absorption and abrasion resistance\u003c\/li\u003e\n\u003cli\u003eReplaceable shin slider adds protection against abrasion\u003c\/li\u003e\n\u003cli\u003eReplaceable co-injected TPU and aluminum toe slider uses an easy screw replacement system\u003c\/li\u003e\n\u003cli\u003eReplaceable heel plate slider supports sliding performance and crash protection\u003c\/li\u003e\n\u003cli\u003eTPU shifter protects the lower medial foot area\u003c\/li\u003e\n\u003cli\u003eSoft TPU toe reinforcement and additional ankle padding improve impact protection and stability\u003c\/li\u003e\n\u003cli\u003eTPU stretch panel with zipper simplifies boot entry and exit\u003c\/li\u003e\n\u003cli\u003eHook-and-loop closure secures the zipper pull during riding\u003c\/li\u003e\n\u003cli\u003eMicro-adjustable ratchet closure provides a precise upper fit\u003c\/li\u003e\n\u003cli\u003eFront flex area supports natural movement while improving ventilation and abrasion protection\u003c\/li\u003e\n\u003cli\u003eStretch microfiber rear bellow improves front-to-back mobility\u003c\/li\u003e\n\u003cli\u003eMicrofiber top gaiter with TPU over-injection enhances grip and fit\u003c\/li\u003e\n\u003cli\u003eSize: US 9 \/ EU 43\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eModel: Supertech R Vented\u003c\/li\u003e\n\u003cli\u003eBrand: Alpinestars\u003c\/li\u003e\n\u003cli\u003eManufacturer and vendor part number: 2220121-10-43\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ALPINESTARS","offers":[{"title":"Default Title","offer_id":67568182886635,"sku":"34010750","price":649.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/2104274.png?v=1790801221","url":"https:\/\/ctracingservices.com\/products\/alpinestars-supertech-r-vented-motorcycle-boots-black-us-9-eu-43-part-number-2220121-10-43","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}