Nathan Mercury 2 (600 ml) 
This comfortable, versatile and bouncefree two-flask belt is an ideal road running companion for every level.
Features & Benefits
- Ergo-shaped breathable wall mesh and air mesh center with monofilament elastic for multi-directional stretch
- Two 300 ml Flasks with Push-Pull caps
- Stretch mesh zip pocket fits up to an iPhone 8
- Reflective trims
Size: OSFM 26” – 44” (66 cm – 112 cm)