Complementing the ST-1 WP Jacket is the ST-1 WP Pants, the perfect choice for riders looking for the benefits of Alpinestars all-weather waterproof construction and ergonomic materials, the pants have poly ripstop fabric reinforcements on the inside of the legs.

Featuring a new aerodynamic construction, the ST-1 WP Pants offer modern styling and exceptional comfort for the rider, especially during wet and rainy days. The ST-1 WP Pants feature a detachable thermal liner to provide warmth during cold mornings and evening rides. The ST-1 Pants are a great option for adventure riders looking for a pair of sleek, minimalist touring pants with year-round comfort and optimum wet weather performance.
Fixed waterproof liner.
New active ergonomic fit with pre-curved legs, 3D ergonomic knees and a comfortable crotch structure for excellent freedom of movement and exceptional riding comfort.
Ergonomic zippered cargo pockets offer ample storage capacity, providing added utility and everyday practicality.
Detachable 80g thermal liner with zippered connection to anchor the liner to the pants. - Fixed WP liner for guaranteed waterproof performance.
CE Level 1 rated Nucleon Flex Plus knee protectors for effective impact protection with a 3-level color-coded internal pocket system integrated into the inner liner for custom positioning of knee protectors.
The Nucleon Flex Plus Level 1 knee armor is highly flexible and breathable, providing high levels of impact protection and offering a slim profile for optimum rider comfort.
Poly ripstop fabric reinforcements on the inside of the legs for effective abrasion resistance.
According to European legislation the CE marking is a conformity requirement for the marketing of this product.
The following standards apply to this product:
Fully CE certified motorcycle clothing according to CE - Category II EN 17092-4:2020 - Class A.
Nucleon Flex Plus CE Level 1 Impact Protection, Category II EN 17092-6:2020 - Impact Class C.