Features:
- perfect fit: hydration packs focus on ergonomics to ensure that the pack fits the body perfectly, reducing friction and discomfort during exercise. Design with lightweight, waterproof and tear-resistant nylon materials, this lightweight insulated hydration pack minimizes the weight burden on your shoulders.
- breathable & super comfortable: with 3d breathable padded back & adjustable chest, shoulder and waist straps for reducing bounce. Soft air mesh back speeds up the air flow and makes your back cool.
- safety device: this daypack is equipped with a safety whistle, and multiple reflective designs increase the safety in dark conditions.
- contain 2l hydration bladder: water backpack for hiking with 2l bladder, with the insulated bladder compartment, keep liquids cool for up to 5 hours. The bladder is bpa-free, odor free, and anti-leak guaranteed. Food-grade material. Leakproof bite value, water flows fast for easy drinking and never drips on when locked. Convenient and frees up your hands.
- gift choice: the water backpack focusing on a sense of style and individuality. Its versatile design makes it suitable for a range of outdoor activities such as camping, cycling, climbing, running and other occasions. Hydration bag is a great gift for families and friends.

What's in the box
1 x Cycling Sports Backpack