ALPINESTARS SMX-S Boots - Black/White - US 12.5 / EU 48 2223517-12-48Durable microfiber upper construction that has superb flexibility and a comfortable feel Ergonomic new forefront boot shape is streamlined to better control and feel of the motorcycle controls Thermoplastic Polyurethane (TPU) shin plate protector is race developed for superior impact and abrasion resistance Lateral Thermoplastic Rubbery (TPR) injected ankle support construction provides superior comfort and impact resistance TPU double density ankle

Premium Construction: Italian-made stainless steel body with precision CNC-machined components ensures lasting durability

Extra layer of super fiber belting

Easy-to-read

comfortable seal around the wrist while preventing debris entry during rides

two zippered air out-take on back

The 100mm round design enhances both aesthetics and performance

Short cuff design with flat wrist closure for a thin

Plug and play wiring makes installation easy

Anti-slip coating inside for jogging

Icon relaxed fit with straight body

16" W for passenger area

Structured crown