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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An ultra-lightweight CE and UKCA certified protection jacket offering excellent upper body protection against impacts. This protector features an
Bionic Action V2 Protection Jacket
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Alpinestars
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Alpinestars Bionic Chest Protector
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Alpinestars Bionic Action V2 Motocross Protection Jacket