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

Back: 100% polyester

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

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

Tear-off packs available

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