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. 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.

Fixed waterproof liner.
New, ergonomic ACTIVE touring fit with pre-curved legs, 3D ergonomic knees, and a comfortable crotch construction for excellent freedom of movement and premium riding comfort.
Ergonomic, zippered front pockets provide generous storage capacity, offering enhanced utility and everyday practicality.
Detachable 80g thermal liner with zipper connection to anchor the liner to the pants.

Constructed from 600D poly fabric blend, the pants have ripstop fabric reinforcements on the inner legs for better connection and contact with the bike.
Fixed WP liner for guaranteed waterproof performance.
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.
Detachable thermal liner, 80g, provides all-year round riding capability.
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.
Pant connection zipper for attachment to an Alpinestars motorcycling jacket, provides a secure fit and the prevention of wind ingress.
Reflective detailing on the thighs for added visibility during early morning, or evening rides.

CE Level 1 rated Nucleon Flex Plus knee armor for effective impact protection with a 3-tiered color-coded inner pocket system integrated in the inner lining for custom positioning of the knee protectors.
The Nucleon Flex Plus Level 1 knee armor is highly flexible and breathable providing high levels of impact protection and offering a thin profile for optimal rider comfort.
Ripstop fabric reinforcements on the inner legs for effective abrasion resistance.
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.

Alpinestars - ST-1 Waterproof Pants