The Ergodyne Chill-Its PF5155 Low Profile Hydration Pack keeps workers hydrated when they're away from water sources. Now you can stay busy while hydrating your way into the safe zone. Features a hi-tech valve for hands-free drinking, and a big mouth cap that fits faucets, hoses, and can even receive ice cubes! If you are always moving around, climbing, carrying stuff, or holding tools, a hydration pack may be the best way to do it. 
Durable 600D water-resistant rip stop polyester shell
Zip-up cap cover keeps debris and contaminants at bay
Insulated pack and tube keeps water cool
100% anti-microbial bite valve w/cover protects against contaminants
Breakaway shoulder straps for safety
DualCap bladder features smaller (60mm) cap nestled into larger (80mm) cap for easy water/ice fill
Capacity: 2L (2000mL) / 70oz