The Nathan Triangle Waist Pack is a must have accessory, whether you're walking the fells or running laps on the track. The fully adjustable nylon belt makes carrying hydration and essentials easy and comfortable with a 70/30 bottle positioning for extra comfort and stability. - One-size-fits-most - Fully adjustable - Featherlight insulated bottle holder - Gusseted mesh pocket for smart phones and keys - Weight: 6.8 oz - Storage Capacity: 11.5 cu in - Bottle Volume: 22 oz/ 650ml