Designed for early-morning pounding of the pavement and late-dusk trail efforts, the Nathan Laser Light 3 Liter Hydration Pack available at Grivet Outdoors seamlessly blends active illumination with essential liquid storage. Built-in light output keeps you fully visible to passing traffic during low-light sessions, while the dedicated fluid reservoir delivers continuous, hands-free sipping to help you crush your training goals. Its ergonomic design rests comfortably against your core using moisture-managing fabric and customizable straps, preventing unwanted bounce and skin irritation as you rack up the miles. 6 Lumens of integrated light thread on the back panel to be seen in low light conditions. On/Off Switch on left strap for ease of use. 2x CR2032 Lithium Batteries, 30+ Hours of burn time. Weather-resistant. Includes 1.5L Hydration Bladder. Front storage for nutrition and phone - fits most large format smartphones. Front bottle pocket fits up to 22oz flasks.