Introducing our Trail Running Ultra-Light 5L Backpack – your go-to hydration vest designed specifically for marathon runners and cycling enthusiasts. This versatile and efficient backpack is compatible with 1.5L to 2L water bags, ensuring that you always have hydration close at hand during your challenging outdoor pursuits.

As an essential companion for endurance sports, this ultra-light 5L backpack is crafted from breathable materials that provide lightweight comfort, allowing you to focus on your performance without being weighed down. The ergonomic design and adjustable straps ensure a secure fit, making it ideal for trail running and other long-distance adventures where mobility and convenience are key.

Experience the ultimate in athletic hydration gear with our trail running ultra-light backpack. Whether you're tackling steep hills or cruising along flat trails, its streamlined design allows for unobstructed movement, while the spacious compartments keep your essentials organized and easily accessible.