Alpinestars Bionic Action Knee Pads Semi-Matte Black Breath box is not included

Breath box is not included (sold separately)

No ECU modification required

Removable liner - FXR Thermal Dry™ active liner with 175g Thermal Flex™ fill

Accommodates Gun Boot® 6

Tensile Strength: 4930 lbs

Alpinestars Bionic Action Knee Pads Semi-Matte Black Breath box is not includedAlpinestars Bionic Action Knee Pads With ergonomically profiled protection held securely in position via a dual elasticated strap system, the Bionic Action Knee Protector incorporates foam padding for rider comfort. The asymmetric and lightweight design ensures this knee protector provides optimal levels of comfort and freedom of movement. Features Robust protective structures and impact absorption padding for optimum levels of protection Highly