- Stretch accordion on knee area to increase comfort in riding position
- Reflective prints on the inner side of lower edge
- Full aramidic fiber lining for excellent abrasion resistance
- Alpinestars Level 1 Nucleon hip protector available as accessory upgrade
- Level 1 knee protectors
- Available in standard, long and short versions
- CE Category II PPE Regulation (EU) prEN 17092– A class
- CE Level 1 EN1621-1:2012 Alpinestars Bio-Flex knee protectors