The Fluid line offers recreational MX riders gear with optimal MX technology that leverages the key construction features of the Supertech, Techstar, and Racer lines for a total performance look and feel that is optimized for comfort and riding functionality. Developed and tested on some of the toughest terrains around the globe, the sport fit Fluid gear is ideal for many forms of off-road riding and provides the most relaxed fit of all the MX25 gear lines.

The sport fit Fluid Pants offer optimized levels of performance, comfort, and freedom of movement in the riding position, thanks to their polyfabric lightweight chassis, stretch corduroy panels and pre-curved leg design.
Ergonomic cut and 3D pattern construction for premium rider comfort and mobility.

The Fluid Pants have a 600D polyfabric main construction, with new 2025 reinforced 600D polyfabric at the seat and knees for even greater durability.
Ergonomic cut and 3D pattern construction for enhanced rider comfort, unparalleled freedom of movement, and superior mobility.
Extended stretch corduroy fabric panels on crotch, knees, back yoke, and inside legs for superior freedom of movement, optimized fit, and enhanced rider comfort.
High-performance, synthetic leather reinforced inner knees provide soft grip contact with the bike, durability, and comfort.
Ratchet closure for a secure, personalized fit.
Mesh lining for enhanced rider comfort.
Zippered fly for ease of use.

Alpinestars - Fluid Pants