{"product_id":"alpinestars-smx-1-r-v2-riding-boots-black-red-us-6-5-eu-40-part-number-2224521-13-40","title":"Alpinestars SMX-1 R v2 Riding Boots Black\/Red, US 6.5 \/ EU 40, Part Number 2224521-13-40","description":"SMX-1 R v2 Boots - Black\/Red - US 6.5 \/ EU 40\n\u003cp\u003eThe Alpinestars SMX-1 R v2 riding boots are low-cut performance motorcycle boots designed for riders who want dependable protection, comfort, and control on and off the bike. This black and red model is sized US 6.5 \/ EU 40 and is manufactured by Alpinestars under manufacturer and vendor part number 2224521-13-40. The lightweight microfiber upper provides abrasion resistance and flexibility, while strategically positioned thermoplastic polyurethane (TPU) protectors reinforce the heel, ankles, shift area, and forefoot.\u003c\/p\u003e\u003cp\u003eFitment: Designed for motorcycle and powersports riders seeking a streamlined boot profile with a secure, supportive fit. The ergonomic shape accommodates a broad range of forefoot profiles, while the anatomically angled closure strap follows the natural contour of the instep. A front hook-and-loop closure, durable aramidic fiber wires, reverse zipper, and supportive heel counter work together for convenient entry, adjustable fit, and improved structural integrity during riding.\u003c\/p\u003e\u003cp\u003eThe exclusive Alpinestars compound rubber sole features a high-traction pattern for grip, water dispersion, and durability. An integrated Alpinestars Transversal Protection Frame helps protect against transversal loads, while accordion flex zones at the instep and Achilles area promote natural movement and control. Thermowelded flex grooves help manage flexibility through the instep, medial side, and rear of the boot. A replaceable bi-injected TPU forefoot slider uses an easy-screw design for efficient replacement.\u003c\/p\u003e\u003cp\u003eComfort features include an EVA foam and Lycra removable anatomical footbed, moisture-wicking internal mesh lining, and a rear flex window that supports airflow and ventilation. The Alpinestars SMX-1 R v2 combines everyday rideability with targeted protection, making it a practical choice for street riding, commuting, and sport-oriented motorcycle use.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: US 6.5 \/ EU 40\u003c\/li\u003e\n\u003cli\u003eModel: SMX-1 R v2 Riding Boot\u003c\/li\u003e\n\u003cli\u003eBrand: Alpinestars\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: 2224521-13-40\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 2224521-13-40\u003c\/li\u003e\n\u003cli\u003eColor: Black\/Red\u003c\/li\u003e\n\u003cli\u003eUpper Material: Lightweight, abrasion-resistant microfiber\u003c\/li\u003e\n\u003cli\u003eProtection: TPU heel counter, ankle protectors, shift pad, internal toe box reinforcement, and transversal protection frame\u003c\/li\u003e\n\u003cli\u003eClosure: Reverse zipper and anatomically angled hook-and-loop instep strap with TPR puller\u003c\/li\u003e\n\u003cli\u003eSole: Alpinestars compound rubber sole with traction patterning and integrated transversal protection\u003c\/li\u003e\n\u003cli\u003eFlexibility: Accordion flex zones and thermowelded flex grooves for controlled movement\u003c\/li\u003e\n\u003cli\u003eSlider: Replaceable bi-injected TPU forefoot slider with easy-screw replacement system\u003c\/li\u003e\n\u003cli\u003eComfort: Removable EVA foam and Lycra anatomical footbed\u003c\/li\u003e\n\u003cli\u003eLining: Moisture-wicking internal mesh lining\u003c\/li\u003e\n\u003cli\u003eVentilation: Rear flex window supports airflow and cooling comfort\u003c\/li\u003e\n\u003cli\u003eFitment: Motorcycle and powersports riding applications\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ALPINESTARS","offers":[{"title":"Default Title","offer_id":67569415749867,"sku":"34010801","price":219.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/2103388.png?v=1790805238","url":"https:\/\/ctracingservices.com\/products\/alpinestars-smx-1-r-v2-riding-boots-black-red-us-6-5-eu-40-part-number-2224521-13-40","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}