and breathability

3D ergonomic patterns

The Nucleon Flex Pro Ci features an easy-to-use

while stretch panel on the side and arm ensures rider comfort

Includes: one complete set of replacement chin strap covers compatible with all Alpinestars S-M7 helmets

youth fluid apex jersey red white Size:L and breathabilityAll new for 2026, the Youth Fluid Apex Jersey is expertly designed for young motocross riders aged 5 to 15, offering a total performance look and optimized comfort. The lightweight, moisture wicking polyfabric construction features mechanical stretch for enhanced durability and breathable performance on tough terrains. A relaxed athletic fit with an ergonomic cut and an extended rear ensures superior mobility and coverage for recreational off road