The ST-1 Waterproof Pants are perfect for riders who need reliable, all-weather protection paired with Alpinestars’ ergonomic design. Constructed from tough 600D poly fabric with poly ripstop reinforcements on the inner legs, these pants provide a balance of durability and flexibility. The sleek, streamlined design delivers a modern look and comfortable fit, especially in rainy conditions. Featuring a detachable thermal liner for added warmth on cold mornings and evenings, the ST-1 Waterproof Pants are an excellent choice for adventure touring riders seeking versatile, minimalistic gear that offers year-round performance.

• Ergonomic active fit pants with pre-curved legs, 3D ergonomic knees, and a comfortable crotch construction for freedom of movement and premium riding comfort
• Fixed waterproof liner
• Detachable 80g thermal liner with zipper connection to anchor the liner to the pants
• Fixed membrane liner for enhanced rider comfort with internal pockets for a divided chest protector and a back protector pocket
• 2 front cargo pockets, 1 lower back cargo pocket, 1 zippered chest pocket, and 2 inner mesh pockets, provide generous storage capacity
• Sleeve volume adjusters with press buttons on the biceps, hook and loop collar, cuff, and waist adjusters provide for a well-tailored fit
• Extended cut on the back for greater coverage in the riding position
• Pant connection zipper for a secure fit