Nathan Sport Proton 2.0L Hydration Pack
- New easy adjust system for faster on and off
- Reconstructed bladder tube now exits from top of pack to eliminate skin contact
- Front power stretch mesh pockets and two rear zippered compartments store all your essentials
- Wall mesh shoulder straps and back panel channel air across your skin and wick moisture away
- 3 way propulsion harness moves in harmony with your shoulders and upper back reducing wasted energy
