{"product_id":"alpinestars-smx-s-motorcycle-boots-black-us-5-eu-38-part-2223517-1100-38","title":"Alpinestars SMX-S Motorcycle Boots Black US 5 \/ EU 38, Part 2223517-1100-38","description":"SMX-S Boots - Black - US 5 \/ EU 38\n\u003cp\u003eThe Alpinestars SMX-S motorcycle boots deliver dependable protection, comfort, and precise fit for street and sport riding. This black riding boot features a durable microfiber upper that combines flexibility with abrasion resistance, while the ergonomic last provides a secure, performance-focused fit. The US 5 \/ EU 38 size is designed for riders seeking a supportive boot with advanced protective construction for everyday road use and spirited riding.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProtection:\u003c\/strong\u003e Double-injected polyurethane shields help protect the shin, ankle, calf, toe, and heel from impact while reducing abrasion exposure. Additional inner protection is provided by a double-injected panel connected to the heel counter and positioned beneath the outer shell along the outer ankle. The interchangeable bi-injected polyurethane toe slider uses a convenient snap-in assembly for straightforward replacement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eComfort and Fit:\u003c\/strong\u003e A quick-drying polyamide lining is laminated with open-cell foam and contoured high-density padding to help absorb shocks and improve foot comfort. The MTP mesh liner and anatomical removable polyurethane foam footbed promote breathability and cushioning. A medial side-entry closure combines an elastic-mounted zipper with an extra-wide hook-and-loop flap for a secure fit and easy access, while the wide instep and Achilles flex bellows support natural movement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePerformance Construction:\u003c\/strong\u003e Alpinestars’ exclusive rubber compound sole includes structured shank reinforcement to support the arch area. Air vents at the ankle, heel, and forefoot are covered with purpose-designed mesh to improve airflow. The Alpinestars SMX-S Boots are supplied in black, model SMX-S, with manufacturer and vendor part number 2223517-1100-38, and are sized US 5 \/ EU 38 for compatible motorcycle riding applications.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: US 5 \/ EU 38\u003c\/li\u003e\n\u003cli\u003eModel: SMX-S\u003c\/li\u003e\n\u003cli\u003eBrand: Alpinestars\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 2223517-1100-38\u003c\/li\u003e\n\u003cli\u003eVendor part number: 2223517-1100-38\u003c\/li\u003e\n\u003cli\u003eUpper: Durable, flexible high-tech microfiber construction\u003c\/li\u003e\n\u003cli\u003eProtection: Double-injected polyurethane shields for the shin, ankle, calf, toe, and heel\u003c\/li\u003e\n\u003cli\u003eToe slider: Interchangeable bi-injected polyurethane design with snap-in assembly\u003c\/li\u003e\n\u003cli\u003eLining: Quick-drying polyamide with open-cell foam and contoured high-density padding\u003c\/li\u003e\n\u003cli\u003eSole: Exclusive rubber compound with structured shank reinforcement\u003c\/li\u003e\n\u003cli\u003eVentilation: Mesh-covered air vents at the ankle, heel, and forefoot\u003c\/li\u003e\n\u003cli\u003eClosure: Medial side-entry zipper with an extra-wide hook-and-loop flap\u003c\/li\u003e\n\u003cli\u003eFootbed: Anatomical, removable polyurethane foam footbed\u003c\/li\u003e\n\u003cli\u003eFit: Ergonomic last with flexible instep and Achilles bellows\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ALPINESTARS","offers":[{"title":"Default Title","offer_id":67567623209195,"sku":"34041315","price":299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/499150.png?v=1790797375","url":"https:\/\/ctracingservices.com\/products\/alpinestars-smx-s-motorcycle-boots-black-us-5-eu-38-part-2223517-1100-38","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}