Lightweight and Compact Design Crafted from nylon and PU materials, this 7L bicycle backpack offers a lightweight feel at just 145g, making it suitable for long-distance cycling, hiking, and outdoor activities. Its compact size ensures it fits snugly without adding extra bulk. Ergonomic and Breathable Structure Designed for comfort, this breathable backpack features an ergonomic fit that conforms to your back for better weight distribution. The ventilated design helps keep you cool during intense rides, reducing discomfort and enhancing your riding experience. Secure and Reflective for Visibility Equipped with reflective elements, this bike riding hydration backpack enhances visibility in low-light conditions, promoting safer nighttime cycling. Its adjustable straps provide a secure and stable fit, preventing unnecessary movement while on the go. Portable and Spacious Storage Despite its compact size, this outdoor sport backpack features a 7L capacity, ideal for carrying essentials like water bottles, snacks, and small gear. The multiple compartments allow for organized storage, making it a practical choice for cycling and outdoor adventures. Weather-Resistant and Long-Lasting Made of nylon with a PU coating, this bicycle backpack provides a protective barrier against unexpected light rain or splashes. Its reinforced stitching enhances longevity, making it a dependable choice for outdoor activities in various conditions.