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Styled to combine Alpinestars’ DNA in a clean urban look
Constructed from lightweight 600D polyfabric with stretch ripstop inserts and goat leather inner knees
flexible 3D Cell structure as the first line of defense
Detachable thermal vest with 80g insulation at the front for effective cold weather performance
Featuring an innovative hybrid frame construction consisting of a flexible composite over-injected on a high performance fiber reinforced polymer
2026 Youth Fluid Portl Pants YGroup_8982319 Styled to combine Alpinestars’ DNAExpertly developed for the next generation of riders, the 2026 Youth Fluid Portal Pants deliver optimized motocross performance and a dedicated sport fit for ages 5 to 15. Constructed from durable 600D polyfabric with reinforced seat panels and stretch corduroy inserts, these pants feature a pre curved design and 3D ergonomic pattern for maximum mobility. Riders benefit from enhanced bike control via synthetic leather inner knees and a secure,
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