ALPINESTARS SMX-S Boots - Black - US 12.5 / EU 48 2223517-1100-48 Chain Guide Made from high-density polyethylene

Made from high-density polyethylene

Smooth flow and improved insulation promotes radiator efficiency and improves engine cooling

Engine covers are now being mandated by most racing organizations across the USA (Moto America+ MRA + CCS + WERA + AFM

2022 Honda CRF250R - - 2022 Honda CRF250RX - - 2021-2022 Honda CRF450RWE - - 2021-2022 Honda CRF450RX - - 2021-2022 Honda CRF450R - -

ALPINESTARS SMX-S Boots - Black - US 12.5 / EU 48 2223517-1100-48 Chain Guide Made from high-density polyethyleneDurable 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