The Youth Bionic Action Kickstart Chest Guard is Alpinestars’ MX chest and back protector for off-road youth riders aged 4–9

Lightweight and strong and the MIPS-equipped Vector Tech helmet has been designed for MTB use

Full Neoprene construction for optimal thermal protection

Flexible and lightweight knee/Shin guard constructed from breathable laminated rip-stop

nucleon flex pro shoulder protector anthracite Size:L The Youth Bionic Action KickstartIncorporating innovative Nucleon Flex Pro technology that is lightweight and ventilated, the Nucleon Flex family of protectors is ergonomically engineered for comfort, convenience, performance and protection.