The Alpinestars SMX Plus motorcycle boots combine advanced protection, flexible movement, and a secure performance fit for sport and street riders. This black model is sized for US 11.5 / EU 46 and is designed to fit riders seeking dependable ankle, shin, heel, toe, and Achilles protection during aggressive riding and everyday motorcycle use. Manufacturer and vendor part number 2221019-10-46 identifies this specific Alpinestars boot configuration.
Advanced microfiber construction keeps the boot lightweight while providing excellent abrasion resistance and flexibility. The soft microfiber front flex area, accordion Achilles panel, and asymmetrical front and rear flex zones support natural forward and backward movement. Alpinestars Multi-Link Control system technology provides external ankle support while helping limit hyper-torsion, hyper-extension, and hyper-flexion. A contoured high-modulus shin plate, dual-density TPU replaceable toe slider, replaceable heel slider, and external side heel slider provide impact and abrasion protection while supporting controlled movement during a slide.
Fitment is secured with an inner instep speed-lacing closure, lateral zipper, Alpinestars Lace-Lock System, micro-adjustable ratchet top closure, and hook-and-loop tab that secures the zipper pull. The advanced synthetic forefoot lining uses open-cell foam for shock absorption, while breathable lining in the ankle and leg areas improves comfort. An anatomical, replaceable contoured EVA footbed supports the arch and helps provide precise pedal feel. The durable rubber sole uses an evenly textured tread for consistent grip and improved connection with motorcycle controls. The Alpinestars SMX Plus boots are a strong choice for riders who want race-inspired protection with practical flexibility and a precise, secure fit.
Features:
- Size: US 11.5 / EU 46
- Model: SMX Plus
- Color: Black
- Brand: Alpinestars
- Manufacturer part number: 2221019-10-46
- Vendor part number: 2221019-10-46
- Construction: Lightweight advanced microfiber upper with abrasion-resistant flex panels
- Ankle protection: Multi-Link Control system helps limit hyper-torsion, hyper-extension, and hyper-flexion
- Toe protection: Dual-density TPU replaceable toe slider with screw-in assembly
- Heel protection: Replaceable heel slider and external side heel slider
- Shin protection: Contoured high-modulus shin plate for impact and abrasion resistance
- Closure: Inner instep speed lacing, lateral zipper, Lace-Lock System, and micro-adjustable ratchet closure
- Comfort: Breathable ankle and leg lining with open-cell foam forefoot lining
- Footbed: Replaceable contoured EVA footbed with arch support
- Outsole: Durable textured rubber sole for consistent grip and riding feel