Alpinestars Nucleon Flex Pro Knee Guards Armour Its unique design features an

Its unique design features an impact resistant

Visual highlight

stingray palm

goat leather

a padded airflow back panel for comfort

Alpinestars Nucleon Flex Pro Knee Guards Armour Its unique design features anIncorporating innovative Nucleon Flex Pro technology that is lightweight and ventilated, the Nucleon Flex family of protectors is ergonomically engineered for comfort, convenience, performance and protection. Ergonomic design provides high levels of movement Open design structure ensures high levels of airflow and ventilation Slim design gives a low protector profile, meaning the protection appears discreet in the garment off the motorcycle Adaptive