Alpinestars’ Stella Flex AST-7 Denim pants are designed to combine advanced protection, everyday comfort, and contemporary denim style. Crafted from single-layer A-TRAACX technical denim—incorporating COOLMAX® technology, CORDURA®, cotton, and Nylon 6.6—these pants offer excellent abrasion resistance and long-lasting performance.

The integrated COOLMAX® technology wicks moisture away from the body to keep riders cool and dry, enhancing comfort during longer rides. Meanwhile, the abrasion-resistant, single-layer construction provides durable protection without compromising the authentic look and feel of classic, everyday denim.

Engineered for superior riding comfort, the Stella Flex AST-7 Denim pants feature an anatomical design optimized for a feminine fit. They offer a slim, sporty silhouette and come equipped with Alpinestars Nucleon Morph STEALTH Level 2 knee and hip protectors. These ultra-thin, adaptable protectors provide extensive coverage and effective impact protection—ideal for riders seeking a refined, AA-rated technical motorcycle denim with a contemporary, casual aesthetic.

AA-rated motorcycle denim: The single-layer A-TRAACX technical denim blends CORDURA®, COOLMAX®, cotton, and Nylon 6.6 yarns to deliver exceptional abrasion resistance, outstanding durability, and superior everyday riding comfort.
Stay cool and dry — COOLMAX® technology: Integrated COOLMAX® yarn wicks moisture away from the body, keeping riders cool, dry, and comfortable in warm or variable riding conditions. Tailored female fit: Anatomically designed for an optimized fit for women.
Long-lasting comfort: The robust, multi-stretch denim construction offers increased mobility, lasting comfort, and unrestricted freedom of movement—both in the saddle and while walking.
Ergonomic Nucleon Morph STEALTH protection: Ultra-thin, Level 2 Nucleon Morph STEALTH protectors are anatomically contoured for the natural riding position; they adapt to the rider’s body, providing optimal coverage, effective impact protection, and enhanced riding comfort.

Advanced technical denim construction: The single-layer A-TRAACX technical denim blends CORDURA®, COOLMAX® technology, cotton, and nylon 6.6, delivering an ideal balance of durability, abrasion resistance, moisture management, and everyday riding comfort.
Integrated COOLMAX® technology: Built-in COOLMAX® technology wicks moisture away from the body, keeping riders cool and dry—improving comfort during long rides.
Reinforced seam construction: Featuring concealed double stitching and overlock seams on the outer legs, combined with internal double stitching and contrasting red overlock seams, for superior structural integrity and long-term durability.
Everyday practicality: Classic five-pocket design for convenient storage and daily utility.
Reliable closure: A metal zippered fly ensures a smooth, durable, and secure closure.
Refined denim finish: A selvedge-style finish helps prevent fraying while providing a clean, high-quality look. High-quality details: A leather back patch, branded belt loops and rivets, and an embroidered "Astar" accent on the back pocket add distinctive touches.
Active motorcycling fit: These women’s shorts feature a regular slim fit and a high waist, offering a modern silhouette along with enhanced comfort and freedom of movement—both in the saddle and while walking.
Wide range of sizes: Available in short and long versions to accommodate a broader range of riders.

Advanced knee protection: The 10mm low-profile Nucleon Morph STEALTH Level 2 knee protectors provide extended coverage, effective impact protection, efficient airflow, and lightweight comfort. Ultra-thin and adaptive, they conform to the rider’s knees for all-day comfort.
Advanced hip protection: Nucleon Morph STEALTH Level 2 hip protectors offer ultra-thin, adaptive impact protection while maintaining everyday comfort and a discreet profile.
Customizable knee protection: The knee protector pockets are adjustable to three positions—spaced 3cm apart and marked with colored stitching—allowing riders to fine-tune the height of the protectors for optimal coverage and a personalized fit.
CE-certified – Category II, EN 17092-4:2020, Class AA.