Expertly developed for the 2026 collection, the Youth Fluid Portal Pants are Alpinestars' premier recreational motocross trousers, designed to provide young riders with a total performance look and optimized functionality. Constructed from durable 600D polyfabric with stretch corduroy panels and a pre-curved leg design, they offer an athletic sport-fit with unparalleled freedom of movement. These pants deliver essential durability and comfort for all-year off-road riding, featuring a secure ratchet closure and reinforced inner knees for superior bike grip.
Enhanced Performance and Comfort: Sport-fit construction provides optimized levels of performance and freedom of movement in the riding position via a lightweight polyfabric build and stretch corduroy panels.
Ergonomic Patterning: Features an ergonomic cut and 3D pattern construction designed for premium rider comfort, superior mobility, and an advanced fit specifically for young riders.
600D polyfabric main construction with reinforced 600D panels at the seat and knees for high-level abrasion resistance and durability.
High-performance synthetic leather reinforced inner knees provide heat resistance and essential protection against bike contact.
Ergonomic 3D pattern construction designed to maintain the protective fit while providing unparalleled freedom of movement.
Secure ratchet closure system ensures a personalized and stable fit to keep the pants positioned correctly during active riding.
600D polyfabric main chassis construction for enhanced durability.
Reinforced 600D polyfabric at the seat and knees for added abrasion resistance.
3D pattern construction and ergonomic cut for structural mobility.
Extended stretch corduroy fabric panels on the crotch, knees, back yoke, and inside legs.