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About Alpinestars Nucleon Flex Pro Knee Protector

Alpinestars Nucleon Flex Pro Knee Protector

Incorporating 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.

Note: Sold as a pair.

Warning:  California Proposition 65

Details and sizing

Product sizing chart
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