Umpqua ZS2 Waterproof Wader Chest Pack - Clip this roll-top waterproof chest pack to your wader harness or belt for immediate waterproof storage. This little chest pack handles two standard fly boxes along with all of the standard ZeroSweep features. One ZeroSweepTM retractor station (great for nipper and floatant attachment), ambidextrous hemostat station, foam fly patch and tippet holder cover all your key accessories. ZS2 version now includes a molle modular attachment station allowing integration with ZS2 accessories