WindBlock 1.0 Jacket is your essential layer for unpredictable weather. This ultra-light slim-fitting shell delivers wind resistance and comfort with pre-shaped ergonomic sleeves and 4-way stretch fabric that moves with you on the bike. It packs into its own chest pocket with a reversible zipper slider and on-bike storage strap making it easy to stash and forget until needed. The PFAS-free dirt- and water-resistant finish sheds light rain and trail spray while a stealth under-helmet hood and reinforced elbows provide coverage and durability when conditions turn. Bluesign® approved materials and plastic-free packaging ensure responsible performance and reflective detailing enhances visibility on low-light rides. Whether you’re dropping into a breezy descent or caught in a sudden squall the WindBlock 1.0 is built to shelter you from the chill while staying lightweight and highly packable. Features Packable into chest pocket with on-bike storage strap Stealth under-helmet stretch hood Reinforced elbow panels Reflective print on lower back YKK zippers with reversible slider SPECIFICATIONS Fit: Slim fit pre-shaped ergonomic sleevesFabric: Ultra-lightweight 4-way stretch shellSustainability: Bluesign® approved fabrics plastic-free packagingWeather protection: PFAS-free DWR treatmentStorage: YKK zippered chest pocket