they use a lightweight plastic construction optimized for motocross

Derived from Alpinestars’ airbag technology adopted by MotoGP riders

and offers optimized airflow and breathability

ventilated chassis

Designed for youth off-road MX

bionic action kickstart knee guard black red YGroup_3529623 they use a lightweight plasticAlpinestars Kickstart line is dedicated to the young champions of the future, designed for kids aged 4 9 years old. The Bionic Kickstart Knee Guards feature a lightweight and protective articulated knee and shin guard, plus a double strap elasticated closure. The Kids Bionic Kickstart knee guards offers a full range of adjustment as the rider grows.