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

Back: 100% polyester

Thinsulate insulation - 200 gram insulation on back of the hand & 100 gram insulation on the palm

Whether you're going out casually

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

Reinforced Crotch Panel

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