Alpinestars SMX S Boots Accessories The protector’s plastic shells are

The protector’s plastic shells are perforated for maximum breathability and cooling ventilation

Contoured TPU calf plate

Useable in many configurations

SIDES OF HEAD

Waist belt with hidden stretch panel for a customized fit

Alpinestars SMX S Boots Accessories The protector’s plastic shells areWith a durable microfiber upper for comfort and fit and incorporating a host of advanced protective features, inside and out, the SMX S Boot features an ergonomic forefoot shaping, a breathable lining and Alpinestars exclusive rubber compound sole for optimized levels of support and performance. Innovative air vents at the ankle, heel and forefoot are covered with a specially designed mesh to provide unmatched levels of rider comfort. Large throat