{"product_id":"alpinestars-smx-1-r-v2-riding-boots-black-us-6-eu-39-part-number-2224521-10-39","title":"Alpinestars SMX-1 R v2 Riding Boots Black US 6 \/ EU 39, Part Number 2224521-10-39","description":"SMX-1 R v2 Boots - Black - US 6 \/ EU 39\n\u003cp\u003eThe Alpinestars SMX-1 R v2 Riding Boots deliver low-cut performance, comfort, and protection for street and sport riders. Finished in black and sized for US 6 \/ EU 39, these boots feature a lightweight, abrasion-resistant microfiber upper reinforced with strategically placed thermoplastic polyurethane (TPU) protectors. The ergonomic design supports a wide range of foot profiles while promoting a streamlined forefoot shape for responsive control on and off the motorcycle.\u003c\/p\u003e\u003cp\u003eProtection and durability are built into the SMX-1 R v2 through double-density ankle protection, an internal toe box protector, an external TPU heel counter, a lateral ankle protector, and an integrated shift pad. The Alpinestars Transversal Protection Frame is built into the rubber compound sole to help protect against transversal loads, while the replaceable bi-injected TPU forefoot slider uses an easy-screw fixing system for convenient replacement. These features make the boots well suited for street riding, commuting, and sport-oriented motorcycle use.\u003c\/p\u003e\u003cp\u003eComfort and mobility are supported by accordion flex zones at the instep and Achilles area, thermowelded flex grooves, and a rear flex window that also promotes airflow. The anatomically angled hook-and-loop closure follows the natural shape of the instep and includes a thermoplastic rubber puller for easy adjustment. A reverse zipper provides convenient entry and removal, while the innovative heel counter support system works with the closure strap to improve fit and structural stability. An EVA foam and Lycra removable footbed, along with an internal moisture-wicking mesh lining, helps provide cushioning and cooling comfort during extended rides.\u003c\/p\u003e\u003cp\u003eThe Alpinestars SMX-1 R v2 Riding Boots are designed to fit riders seeking protective, flexible footwear with dependable grip and motorcycle-specific reinforcement. This pair is identified by manufacturer and vendor part number 2224521-10-39.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: US 6 \/ EU 39\u003c\/li\u003e\n\u003cli\u003eModel: SMX-1 R v2 Riding Boots\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eBrand: Alpinestars\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: 2224521-10-39\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 2224521-10-39\u003c\/li\u003e\n\u003cli\u003eConstruction: Lightweight, abrasion-resistant microfiber upper\u003c\/li\u003e\n\u003cli\u003eProtection: TPU heel, ankle, shift, forefoot, and internal toe protection\u003c\/li\u003e\n\u003cli\u003eSole: Alpinestars rubber compound sole with grip patterning and integrated Transversal Protection Frame\u003c\/li\u003e\n\u003cli\u003eClosure: Anatomically angled hook-and-loop strap with reverse zipper\u003c\/li\u003e\n\u003cli\u003eFlexibility: Accordion zones and thermowelded flex grooves at the instep, medial side, and rear\u003c\/li\u003e\n\u003cli\u003eVentilation: Rear flex window and moisture-wicking internal mesh lining\u003c\/li\u003e\n\u003cli\u003eFootbed: Removable anatomical EVA foam and Lycra footbed\u003c\/li\u003e\n\u003cli\u003eSlider: Replaceable bi-injected TPU forefoot slider with easy-screw fixing system\u003c\/li\u003e\n\u003cli\u003eFitment: Designed for street, sport, and everyday motorcycle riding\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ALPINESTARS","offers":[{"title":"Default Title","offer_id":67569412538603,"sku":"34010787","price":219.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/2103390.png?v=1790805102","url":"https:\/\/ctracingservices.com\/products\/alpinestars-smx-1-r-v2-riding-boots-black-us-6-eu-39-part-number-2224521-10-39","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}