the KMX-9 V3 S Suit Youth is the perfect choice for both entry and intermediate level racers

The Techdura Jacket with its tactical pack is the perfect choice

The advanced moisture-wicking polyfabric construction delivers lightweight performance and enhanced durability across the toughest terrains

Developed for MX

youth fluid portl jersey textile the KMX-9 V3 S SuitExpertly designed for young off road riders, the 2026 Youth Fluid Portal Jersey leverages Alpinestars' premier motocross technology to deliver a total performance look and relaxed fit. The lightweight, moisture wicking polyfabric construction features an ergonomic cut and an extended rear for superior mobility and coverage on tough terrain. Optimized for riders aged 5 to 15, this jersey ensures breathable comfort and durability for all day riding.