Alpinestars ST-1 Waterproof Jacket

A sport-touring jacket built for year-round riding in variable conditions, the ST-1 Waterproof pairs a fixed waterproof membrane with a detachable thermal liner so riders can adapt to changing weather without stopping.

• Fixed waterproof membrane liner rated to 4,000mm for consistent wet-weather performance
• CE Category II (EN 17092-4:2020 – A Class) garment with CE Level 1 Nucleon Flex Plus armor at elbows and shoulders
• Back protector pocket certified CE Category II (EN 17092-6:2020 – C Class Impact); insert is an optional upgrade
• Detachable thermal liner with 80g fill on torso and sleeves; packs into the lower back cargo pocket when removed
• Pre-curved arms and ergonomic elbow articulation keep the fit from pulling forward in the riding position
• Tech-Air compatible; pant connector zipper seals the waist to prevent wind ingress

Spec: Membrane: waterproof breathable · Liner: removable thermal · Use Case: year-round