With a new streamlined construction, the ST-1 WP Pants offer modern style and premium rider comfort, especially during wet, rainy days. The ST-1 WP Pants come with a detachable, thermal liner to provide warmth during cold mornings and evening rides. 

The ST-1 Pants are a great option for adventure touring riders looking for a pair of stylish and minimalistic touring pants with year-round, comfort, and optimum wet weather performance. 

Complementing the ST-1 WP Jacket are the ST-1 WP Pants, the perfect choice for riders looking for the benefits of all-weather, waterproof construction, and Alpinestars ergonomic mobility.  Constructed from a blend of 600D poly fabric materials, the pants have ripstop fabric reinforcements on the inner legs.

• Constructed from 600D poly fabric blend, the pants have ripstop fabric reinforcements on the inner legs for better connection and contact with the bike.
• Detachable thermal liner, 80g, provides all-year round riding capability.
• Fixed WP liner for guaranteed waterproof performance.
• CE Level 1 rated Nucleon Flex Plus knee armour for effective impact protection with a 3-tiered colour-coded inner pocket system integrated in the inner lining for custom positioning of the knee protectors.
• The Nucleon Flex Plus Level 1 knee armour is highly flexible and breathable providing high levels of impact protection and offering a thin profile for optimal rider comfort.
• 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. 
• Ripstop fabric reinforcements on the inner legs for effective abrasion resistance. 
• The ST-1 Pants are designed with an ACTIVE touring fit with pre-curved legs, 3D ergonomic knees, and a comfortable crotch construction for superior freedom of movement and exceptional riding comfort. 
• Fixed mesh liner for enhanced rider comfort. 
• 2 front pockets provide versatility and the safe and secure storage of valuables, and personal items. 
• Lower leg, hook and loop ankle adjusters, and waist volume adjusters provide for a tailored fit. 
• Reflective detailing on the thighs for added visibility during early morning, or evening rides.
• Pant connection zipper for attachment to an Alpinestars motorcycling jacket, provides a secure fit and the prevention of wind ingress.