Radio frequency specifications: 76 ~ 108MHz

performance and protection

Weight: 1390 g (+/- 50 g)

printed gun sight logo on the sleeve

The jacket's zip is protected by a flap with hook and loop fastening to optimise water tightness

Alpinestars Nucleon Flex Pro Knee Guards Jackets Radio frequency specifications: 76 ~Incorporating 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