Alpinestars St-1 Waterproof Pants Designed for all-weather conditions, the Alpinestars St-1 Waterproof Pants provide riders with waterproof protection and Alpinestars signature ergonomic mobility. Crafted from robust 600D poly fabric and enhanced with ripstop reinforcements along the inner legs, these pants offer a contemporary, streamlined design for modern style and unparalleled comfort, even under wet circumstances. The inclusion of a detachable thermal liner caters to warmth in cooler temperatures, ensuring that these pants are a vital addition to any adventure touring ensemble. With an emphasis on year-round comfort and elite wet weather performance, the St-1 WP Pants stand out as a minimalist yet highly functional choice for riders. Construction: 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 Fixed mesh liner for enhanced rider comfort Detachable thermal liner, 80g, provides all-year round riding capability Protection & Safety: 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 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 CE certified - Category II EN 17092-4:2020 Comfort: Two 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 Jacket-to-pant full 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