The Alpinestars Bionic Action chest protector is available in two sizes: medium/large and extra large/double extra large. The medium/large fit most of our test riders, but it was on the big side for riders under 5-foot-9
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MXA TEAM TESTED: ALPINESTARS A4 ROOST GUARD Motocross

MXA TEAM TESTED: ALPINESTARS BIONIC ACTION CHEST PROTECTOR

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Alpinestars’ Kickstart line is dedicated to the young champions of the future, designed for kids aged 4-9 years old. Protective, lightweight, and

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Alpinestars 6700421-13-M/L Bionic Action Chest Protector - Black

MXA TEAM TESTED: ALPINESTARS BIONIC ACTION CHEST PROTECTOR

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Alpinestars 6700421-13-M/L Bionic Action Chest Protector - Black

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