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Alpinestars Boulder GORE-TEX® Jacket


Advanced technical touring jacket designed for all-weather adventure riding, the Tech-Air® 5 ready Boulder GORE-TEX® Jacket is constructed with a breathable and water repellent treated outer shell with a GORE-TEX® laminated membrane for low weight and maximum wet weather performance. Lightweight and flexible, the Boulder Jacket is engineered for enhanced climate management, with the design utilising maximized direct ventilation for efficient air flow distribution around the body, and it is equipped with a technical PrimaLoft® thermal liner for warm comfort on colder days. The jacket also features technical fabrics and reinforcements in strategic areas including Superfabric® for the highest level of protection and durability in areas exposed to abrasion.


  • Laminated GORE-TEX® chassis for 100% guaranteed waterproof and breathable performance
  • Advanced direct ventilation system with inner channel to efficiently distribute the air flow, with Super Airflow front panel for additional ventilation
  • Laminated 3L GORE-TEX® fabric for effective protection against the elements and guaranteed levels of waterproofing and breathability without excessive material bulk, thus preventing waterlogging
  • Polyamide multi-fabric laminated shell construction for high levels of durability and breathability
  • Multi-fabric main shell construction with strategically positioned Superfabric® reinforcements for superior durability and abrasion resistance
  • Removable, full zip-in PrimaLoft® Black Insulation Eco jacket (80g body) allows the jacket to be adapted to the weather conditions for all-year riding; the thermal liner is also wearable as standalone jacket
  • Polygiene treated mesh lining for convenience
  • Direct multi-ventilation channel system incorporates an innovative ‘stay open’ design for optimum maximum airflow
  • Torso opening allows air to enter through the side and shoulder mesh panel and exit through back mesh panel for unrivalled breathability and airflow
  • The foldable chest panels feature a wide mesh area beneath, while there are zippered arm air intakes an air exhaust port at the rear for enhanced airflow
  • Laminated 3L GORE-TEX® fabric for advanced protection against the elements and guaranteed waterproofing and breathability without excessive material bulk (preventing waterlogging)
  • The Super Airflow secondary closure panel directs airflow into the jacket through a full mesh front section for additional airflow.
  • Large external utility pocket on lower back of jacket for improved practicality.
  • Multiple volume adjusters on sleeves for an improved riding fit
  • Inner adjustable waist belt for a precise and secure fit
  • Chest inner pockets for safe and secure storage of valuables
  • Magnetic front and lower allows for a quick and easy closure, as well as allowing the jacket to be configured for more ventilation
  • Waist connection zipper allows attachment to Alpinestars riding pants
  • Hydration pack compatible
  • Multiple reflective details


  • Fully CE-certified motorcycling garment – AA class
  • Nucleon Flex Pro elbow and shoulder armour for enhanced impact protection
  • Equipped with an Alpinestars Nucleon KR 2i back protector as standard
  • Chest and back compartments to accommodate Nucleon chest and back protector inserts, available as an accessory upgrade
  • Featuring an engineered fit, this jacket is Tech-Air® ready and can accommodate the Tech-Air® 5 Airbag System for complete upper body protection

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