Alpinestars 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, keeping riders cool and dry and 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 Flex AST-7 Denim pants feature a sport fit with a regular, slightly tapered silhouette. They come equipped with Alpinestars Nucleon Morph Level 2 STEALTH protectors for the knees and hips. These ultra-thin, adaptable protectors offer 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. Long-lasting comfort: The durable, multi-stretch denim construction offers enhanced mobility, lasting comfort, and unrestricted freedom of movement—whether you’re in the saddle or on foot. Ergonomic Nucleon Morph STEALTH protection: The ultra-thin, Level 2 Nucleon Morph STEALTH protectors are anatomically contoured for a natural riding position, adapting to the rider’s body to provide optimal coverage, effective impact protection, and enhanced riding comfort. Advanced technical denim construction: The single-layer A-TRAACX technical denim combines CORDURA®, COOLMAX® technology, cotton, and nylon 6.6, offering an ideal blend of strength, 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, along with internal double stitching and overlock seams in a contrasting red color, ensuring superior structural strength and long-lasting durability.
Everyday practicality: A classic five-pocket design provides convenient storage for daily use.
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.
Premium details: Includes a leather back patch, branded belt loops and rivets, and an embroidered "Astar" logo on the back pocket for a distinctive touch.
Active riding fit: A regular, slightly tapered fit offers a modern silhouette with increased comfort and mobility—both in the saddle and when off the bike.
Wide range Size options: Available in short and long versions to accommodate a wider range of riders.

Advanced knee protection: The 10mm low-profile Nucleon Morph STEALTH Level 2 knee protectors offer 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: The Nucleon Morph STEALTH Level 2 hip protectors provide 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 protector for optimal coverage and a personalized fit.
CE-certified – Category II, EN 17092-4:2020, Class AA.