cooling you to the core when it matters most

and come in a Skittles sack of molded colors and reflective coatings

Wicking & quick dry finishes

Offer great impact and abrasion coverage with minimal restriction

Compare those measurements against size selections

Alpinestars Nucleon Flex Pro Shoulder Guards MX cooling you to the coreIncorporating 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