ALPINESTARS (ROAD) SMX-S Boots — EU 45, US 10.5, Mid‑Calf, Black, White

3404-1337
2223517-12-45
Advanced protective boots with a durable upper, reinforced shields, ventilated lining and interchangeable toe slider for rider-focused comfort and performance.
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€219.54
€259.12
Save €39.58
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Designed for riders who demand protection, comfort and performance, these boots combine advanced external shields with internal reinforcement to manage impact and abrasion while maintaining a precise, ergonomic fit. 👢

  • Durable upper construction for comfort, flexibility and long-term wear.
  • Double-injected external shields protect shin, ankle, calf, toe and heel while minimizing abrasion.
  • Hidden internal panel linked to the heel counter adds inner-side protection up the outer ankle.
  • Quick-drying lining laminated with contoured padding absorbs shocks to the foot area and enhances comfort.
  • Structured sole with integrated shank reinforcement supports the arch and optimizes rider control.
  • Interchangeable bi-injected toe slider with snap-in assembly for easy replacement.
  • Strategically placed vents at the ankle, heel and forefoot are covered with fine mesh to improve airflow and comfort.
  • Generous instep profile and Achilles flex bellows improve flexibility and reduce fatigue.
  • Mesh liner and anatomical removable footbed keep the foot cool and maintain comfort over long rides.
  • Innovative medial side-entry system with elastic-mounted zipper and extra-wide Velcro® flap provides a precise fit and a wide opening for easy access.
  • Highly ergonomic last for an ultra-precise fit and rider-focused performance.

Carefully engineered for everyday riding and track use, these boots deliver a balanced blend of protection and comfort for demanding conditions. ✔️

: 3404-1337
In Stock

Data sheet

Type
Performance, Riding
Units
Pair
Color/Finish
Black, White
Base Color
White, Black
Gender
Men's
Size Group
Adult
Brand
ALPINESTARS
Fit
Mid-Calf
EU Size
45
US Size
10.5
Material
Leather, Microfiber, Suede, Thermoplastic Polyurethane (TPU), Thermoplastic Rubber (TPR)