As low as $82.75/mo with or . (Pay in 4 interest-free payments)
ALPINESTARS SMX Plus Boots (Black) – Performance Street Racing Built for riders who demand precision support and sport-level protection , the ALPINESTARS SMX Plus Boots deliver a lightweight, flexible mid-calf fit with advanced impact control where it matters most. Designed for street riding and racing, these boots combine ergonomic movement zones with durable, replaceable slider protection. Key Features Microfiber upper construction for lightweight performance, flexibility, and abrasion resistance Front flex area in soft microfiber for natural forward/back movement Accordion microfiber at the Achilles for enhanced range of motion Outside entry/exit accordion stretch panel for a close fit and easy on/off Multi-Link Control system helps limit hyper-torsion, hyper-extension, and hyper-flexion while supporting ankle articulation and protecting Achilles/ankle on impact Replaceable TPU toe slider with screw-in assembly for outer-toe protection Replaceable heel and side heel sliders to help dissipate shock and support slide during an accident Micro-adjustable ratchet top closure with stows tab end Breathable synthetic lining laminated with open-cell foam for shock absorption in ankle/leg areas Anatomical, replaceable EVA footbed for arch support and strong pedal feel Durable textured rubber sole for consistent grip and riding feel Inner instep speed lacing + lateral zipper with Lace-Lock System for secure closure Hook & loop tab locks zip pull for a flat, safe finish High-modulus shin plate protector for superior impact and abrasion resistance Product Details Color/Finish: Black | Material: TPU (Thermoplastic Polyurethane) & Microfiber | Type: Performance / Racing | Style: Street | Fit: Mid-Calf | Units: Pair Size: US 9 / EU 43
Advanced microfiber upper construction for lightweight high performance protection and superb levels of flexibility
Front flex area is constructed with a soft microfiber for improving abrasion resistance and natural forwards and backwards movement
Flexible accordion microfiber on Achilles gives enhanced natural movement
Outside entry/exit has stretchable accordion panel for a close fit and ease of entry and removal
An evolution of Alpinestars unique Multi-Link Control system provides advanced external protection and support for ankle articulation, limiting hyper-torsion, hyper-extension and hyper-flexion as well as providing Achilles and ankle impact protection
Dual density Thermoplastic Polyurethane (TPU) replaceable toe slider with screw-in assembly providing protective coverage around the outer toe area
Replaceable heel slider and external side heel slider are positioned to dissipate and absorb shock and promote sliding during an accident
Large front and rear asymmetrical accordion zones are optimized to maximize flexibility for maximum comfort and improved safety
Micro adjustable ratchet top closure stows tab end
Advanced synthetic forefoot lining, laminated with open cell foam for shock absorption and highly breathable lining in ankle and leg areas for comfort
Alpinestars anatomical and replaceable countered EVA footbed provides arch support and forefoot pedal feeling
Durable sole, designed for improved riding feel, features evenly textured rubber for consistent grip
Inner instep speed lacing closure and unique lateral zipper offer precise and secure fit
Alpinestars Lace-Lock System is constructed from an advanced polymer resin to provide a quick, precise and secure closure
Hook and loop tap locks the zip pull close, keeping in flat and safe
Contoured high modulus shin plate protector gives superior impact and abrasion resistance
or 
. (Pay in 4 interest-free payments)
