Alpinestars Nucleon Flex Plus Knee Protector YCRF_communication_systems Back: 100% polyester

Back: 100% polyester

as well as a CE Class AA certification in a single-layer construction

The new Flexair Ascent Shorts with Liner take everything you love about the booming gravel and down-country scene and kick up the performance and technology to match that energy

Reinforced Crotch Panel

Airflow and storage are enhanced with zippered thigh vents and secure cargo pockets

Alpinestars Nucleon Flex Plus Knee Protector YCRF_communication_systems Back: 100% polyesterFEATURES Ergonomic design that allows high levels of movement Cell structure ensures maximum comfort and ventilation Slim design makes the protector discreet off the bike Protector cells are bridged together, allowing for an adaptive shape and enhanced levels of comfort and protection