The jacket comes with a detachable, thermal liner, to keep you warm during those colder morning or evening rides. With its streamlined construction, the ST-1 WP Jacket offers modern style and premium rider comfort, especially during wet, rainy days, and becomes the perfect all-weather, road touring outfit when paired with the ST-1 WP Pants. 

Designed for riders looking for the benefits of all-weather, waterproof construction, and crafted for ergonomic mobility, the ST-1 WP Jacket is the perfect jacket for riders looking for a stylish and minimalistic adventure touring jacket with year-round, comfort, and optimum wet weather performance. 

• Fixed WP membrane liner for excellent wet-weather performance and enhanced rider comfort with internal pockets for a divided chest protector and a back protector pocket, both available as optional accessory upgrades.
• CE Level 1 rated Nucleon Flex Plus elbow and shoulder armour for effective impact protection.
• According to European statutory law the CE mark is a conformity requirement for the marketing of this product. The following standards apply to this product: 
• 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. 
• Tech-Air® Ready.
• Comfort fit with pre-curved arms and ergonomic elbows for freedom of movement.
• Front chest vents provide cooling airflow, enhancing breathability and comfort.
• Modern shoulder design with Alpinestars branding for an adventure touring look.
• Detachable thermal liner (80g torso, 80g sleeves) with snap button connections, storable in the lower back cargo pocket for versatility.
• Two slim and ergonomic front cargo pockets with expansion for added storage and utility, 1 lower back cargo pocket, 1 zippered chest pocket, and 2 inner mesh pockets (one of the inner pockets is waterproof); pockets provide versatility and the safe and secure storage of valuables, and personal items. 
• Sleeve volume adjusters with press buttons on the biceps, hook and loop collar, cuff, and waist adjusters, provide for a nice, tailored fit. 
• Extended cut on the back for greater coverage in the riding position.
• Pant connection zipper for a secure fit and the prevention of wind ingress.