Backpack with 2L Water Bag - Running Vest - Adjustable Lightweight Cycling Backpack - Suitable for Hiking and Cycling（Black）

Ergonomic design: This backpack with shoulder straps is ergonomically designed and equipped with comfortable, pressure-distributing straps that reduce the strain during movement. The waterproof material combined with sturdy buckles and high-quality accessories ensures a stylish look and reliable use during outdoor activities. Hydration system included: The spacious back compartment is specially designed to fit a 2-liter hydration bladder (included), so you can always stay sufficiently hydrated while running or walking. Ideal for long distances and intense workouts. Flexible and stable fit: The adjustable shoulder straps make it easy to adjust the size to your body. This provides excellent stability, reduces bounce and guarantees a comfortable, snug fit during exercise. Comfortable and breathable wearing comfort: The vest follows the natural curve of the spine and is designed to promote air circulation. This effectively dissipates excess heat and keeps your back cool and dry, even during intense exercise. Widely applicable: This versatile running vest is suitable for running, jogging, marathons, mountaineering, walking, cycling, trekking and travelling. Designed as a practical water backpack for both men and women.