New Balance Men's Women's Unisex Running 4L Backpack With Hydration Bladder, One Size Fits Most, Black

Hydration Compatible: Designed for use with hydration bladders for hands-free hydration on the go. Ample Storage: Features compartments and pockets to hold running essentials like phone, keys, energy gels, and extra layers. Comfortable Fit: Adjustable straps and [mention specific features like padded back panel, sternum strap, hip belt ensure a secure and comfortable fit during runs. Lightweight Design: Constructed from lightweight materials to minimize bulk and maximize performance. Reflective Details: Includes reflective elements for enhanced visibility in low-light conditions.