Expertly designed for the 2026 collection, the Stella Fluid Apex Pants are Alpinestars' most versatile women's off-road gear, engineered for recreational MX riders seeking total performance. Featuring a lightweight 600D polyfabric chassis with reinforced seat panels and ergonomic stretch corduroy, they provide unparalleled mobility and durability on tough terrain. This sport-fit design ensures optimized comfort and a secure, personalized fit through a dedicated ratchet closure system.

Key features

Optimized Performance and Comfort: Lightweight polyfabric chassis and sport-fit design provide maximum freedom of movement in the active riding position.
Ergonomic Rider Fit: 3D pattern construction and an anatomical cut ensure premium comfort and superior mobility during off-road use.
Enhanced Durability: Strategic reinforcements on the back yoke, upper knees, and backs of the legs protect against abrasion in high-wear areas.
Flexible Stretch Panels: Integrated stretch corduroy inserts allow for a natural range of motion and an improved fit while riding.

Protection

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.
600D polyfabric main construction with reinforced 600D polyfabric on the seat and knees for increased durability.
Synthetic leather on inner knees provides heat resistance, durability, and excellent grip contact with the bike.
Mesh lining for improved internal airflow and rider comfort.
Ratchet closure system for a secure, personalized fit.
Zippered fly for ease of use.

Construction

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.
600D polyfabric main construction with reinforced 600D polyfabric on the seat and knees for increased durability.
Synthetic leather on inner knees designed with an ergonomic cut for durability and bike contact.
Mesh lining for internal comfort.
Ratchet closure system for a secure, personalized fit.
Zippered fly for ease of use.