• Ergonomic active fit pants with pre-curved legs, 3D ergonomic knees, and a comfortable crotch construction for freedom of movement and premium riding comfort
• Fixed waterproof liner
• Detachable 80g thermal liner with zipper connection to anchor the liner to the pants
• Fixed membrane liner for enhanced rider comfort with internal pockets for a divided chest protector and a back protector pocket
• 2 front cargo pockets, 1 lower back cargo pocket, 1 zippered chest pocket, and 2 inner mesh pockets, provide generous storage capacity
• Sleeve volume adjusters with press buttons on the biceps, hook and loop collar, cuff, and waist adjusters provide for a well-tailored fit
• Extended cut on the back for greater coverage in the riding position
• Pant connection zipper for a secure fit

The Alpinestars ST-1 Waterproof Pants are built for riders who want dependable all-weather coverage with a clean, functional design. Constructed from 600D poly fabric with poly ripstop reinforcement on the inner legs, these pants balance flexibility and protection while maintaining a streamlined, comfortable fit for long days in the saddle. A fixed waterproof liner helps block wind and rain, making the ST-1 Pants a reliable choice when conditions turn unpredictable. Designed with an ergonomic active fit, pre-curved legs, and 3D-shaped knees, the ST-1 Pants allow natural movement and comfort in the riding position. A detachable 80g thermal liner adds warmth for colder starts and evening rides, while multiple cargo and internal pockets provide practical storage for essentials. Finished with fit adjusters at the waist and cuffs, an extended rear cut for added coverage, and a pant connection zipper, the ST-1 Waterproof Pants offer versatile performance for adventure touring and everyday riding throughout the year.

• Comfort fit with pre-curved arms and ergonomic elbows for extra freedom of movement
• Redefined, modern shoulder design with Alpinestars stylish branding gives the jacket an adventure touring inspired look
• Fixed waterproof liner offers wet-weather performance
• Vent panels on the chest provide cooling airflow, creating an increased surface area for air exchange, improving breathability and offering optimal riding comfort
• Ergonomic cargo pockets' slim design, with built-in expansion, provides added storage capacity
• Detachable thermal liner, 80g torso, 80g sleeves with snap button connections to anchor the liner to the jacket
• CE Level 1 rated Nucleon Flex Plus elbow and shoulder armor for effective impact protection
• Fully CE certified motorcycling garment to CE - Category II EN 17092-4:2020 - A Class
• CE Level 1 Nucleon Flex Plus impact protection, Category II EN 17092-6:2020 - C Class Impact

The ST-1 Waterproof Jacket is designed for riders who need consistent comfort and weather protection for long-distance road touring and changing conditions. A fixed waterproof membrane provides dependable wet-weather performance while maintaining breathability, and front chest vents increase airflow across a larger surface area to help regulate temperature while riding. The jacket uses a comfort-focused touring fit with pre-curved arms and ergonomic elbows to support natural movement and reduce fatigue on extended rides. A modern shoulder design with Alpinestars branding gives the jacket an adventure touring-inspired look suited for both daily use and travel.

The jacket includes a detachable thermal liner with 80g insulation in the torso and sleeves, secured with snap button connections and easily removed as conditions change. When not in use, the liner can be stored in the large lower back cargo pocket. Storage includes expandable front cargo pockets, a zippered chest pocket, inner mesh pockets including one waterproof pocket, and a rear cargo pocket for carrying essentials. Adjustment points at the biceps, collar, cuffs, and waist allow riders to fine-tune the fit, while an extended rear cut improves coverage in the riding position. Tech-Air(R) Ready construction, CE Level 1 Nucleon Flex Plus shoulder and elbow armor, and full CE certification deliver trusted impact protection, and a pant connection zipper helps prevent wind ingress when paired with the ST-1 Waterproof Pants [https://helmethouse.com/alpinestars/st-1-waterproof-pants.html].