The Thule Vital 3L Bike Hydration Rucksack in Black is a lightweight and expertly designed backpack, perfect for cyclists who want to stay hydrated during 1 to 3-hour rides. Crafted from durable nylon material, this backpack offers a generous 3L capacity and features a convenient inner zip pocket to store your essentials securely. The inclusion of a chest strap ensures a snug fit for added comfort during your ride. The Hydrapak-reservoir with a capacity of 1.75 liters allows you to stay hydrated on the go, without having to slow down. Thanks to its low center of gravity, this backpack provides optimal weight distribution, enhancing bike handling and reducing muscle fatigue. The Thule ReTrakt magnetic system ensures that the drinking hose automatically retracts into place between sips, allowing you to drink freely without any interruptions. The backpack's ventilating materials ensure a comfortable ride, even in warm weather. Additionally, the backpack features an attachment for a rear light, enhancing your visibility and safety on the road. The Thule Vital 3L Bike Hydration Rucksack in Black is the perfect companion for cyclists who value performance, comfort, and convenience.