Alpinestars Nucleon Flex Pro Shoulders Protector 2190 Patella cup is backed by

Patella cup is backed by soft padding for adaptive fit and breathable air mesh for ventilation and comfort

Answer: For the 2017-2018 model years the factory components are different

1 pair of rubber ear pads

Reflective screen printed logos

For the sport biker looking for an aerodynamic and aggressive backpack

Alpinestars Nucleon Flex Pro Shoulders Protector 2190 Patella cup is backed byAlpinestars Nucleon Flex Pro Shoulders Protector Features Ergonomic design provides high levels of movement Open design structure ensures high levels of airflow and ventilation Slim design gives a low protector profile, meaning the protection appears discreet in the garment off the bike Adaptive design means the protector molds to the rider's body shape for enhanced levels of comfort CE level 2 protection Sold in pairs