The Thule Rail Hip Pack hydration belt is designed to accompany you on all your mountain biking sessions. Compact and practical, it allows you to keep your essentials within reach. With a capacity of 0.5, 2 or 4 liters, it offers sufficient storage space for your keys, phone, a snack, and of course, your hydration. You can move freely while keeping your essential items at hand. This Thule Rail Hip Pack belt is ideal for short outings when you don't want to be burdened with a bulky backpack. Its zippered pocket adds to its main compartment, allowing for optimal organization of your belongings. The adjustable hip strap offers a personalized and secure fit, while the helmet attachment system lets you store your helmet when you're not riding. Choose practicality and freedom of movement in any situation during your mountain biking sessions with the Rail Hip Pack hydration belt! Thule Rail Hip Pack 0.5 L Hydration Belt: Weight: 230 g Volume: 0.5 liters Dimensions: 22 x 6 x 15 cm Materials: 100% nylon Thule Rail Hip Pack 2 L Hydration Belt: Weight: 230 g Volume: 2 liters Dimensions: 26 x 9 x 16 cm Materials: 100% nylon Thule Rail Hip Pack 4 L Hydration Belt: Weight: 230 g Volume: 4 liters Dimensions: 26 x 11 x 17 cm Materials: 100% nylon Thule Rail Hip Pack - Hydration backpack | Hardloop