The Alpinestars SMX Plus motorcycle boots combine advanced protection, flexibility, and secure adjustability for high-performance street and track riding. This black, white, and red fluorescent model is sized US 11.5 / EU 46 and features an advanced microfiber upper that provides lightweight abrasion resistance while allowing natural movement. Soft microfiber flex zones at the front and accordion panels at the Achilles and outside entry area help improve comfort, mobility, and ease of entry.
Alpinestars Multi-Link Control system technology delivers external ankle protection and support while helping limit hyper-torsion, hyper-extension, and hyper-flexion. The 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. Large asymmetrical accordion zones are positioned at the front and rear to improve flexibility without compromising protective coverage.
The SMX Plus boots use an inner instep speed-lacing closure, lateral zipper, Alpinestars Lace-Lock System, and hook-and-loop zip-pull retainer for a precise, secure fit. A micro-adjustable ratchet top closure helps stabilize the upper leg area. Inside, the breathable ankle and leg lining, open-cell foam-backed synthetic forefoot lining, and anatomical replaceable EVA footbed provide comfort, shock absorption, arch support, and improved pedal feel. The durable rubber sole offers consistent grip and riding feedback. Manufacturer part number: 2221019-1231-46. Vendor part number: 2221019-1231-46.
Features:
- Advanced microfiber upper: Lightweight construction with abrasion resistance and flexibility for demanding motorcycle use.
- Multi-Link Control system: Supports ankle articulation while limiting hyper-torsion, hyper-extension, and hyper-flexion.
- Protective slider system: Includes a replaceable dual-density TPU toe slider, replaceable heel slider, and external side heel slider.
- Flexible accordion zones: Front, rear, Achilles, and entry panels promote natural movement and comfort.
- Secure closure system: Combines inner instep speed lacing, lateral zipper, Lace-Lock System, hook-and-loop zip retainer, and micro-adjustable ratchet closure.
- Impact protection: Contoured high-modulus shin plate provides coverage against impacts and abrasion.
- Comfort lining: Breathable ankle and leg areas plus open-cell foam-backed forefoot lining provide cushioning and airflow.
- Replaceable EVA footbed: Anatomical design supports the arch and improves forefoot pedal feel.
- Durable rubber sole: Evenly textured tread provides consistent grip and riding feedback.
- Fitment: Designed for motorcycle riders seeking protective performance boots in US 11.5 / EU 46.
- Brand: Alpinestars.
- Manufacturer part number: 2221019-1231-46.
- Vendor part number: 2221019-1231-46.