Introducing the Big Zip™ EVO—the latest evolution in taste-free hydration. The Big Zip EVO delivers a significantly higher flow rate than previous Platypus reservoirs and a host of new features, making it a great option for backpackers, hikers, and mountain bikers.

Features:

• Secure SlideLock™: Slides both directions to easily open, securely close and fill reservoir
  
• Handy Pincher Grip: Allows for easy one-handed filling
  
• High Mount Quick-disconnect: Offers fast, easy access—no more digging down in your pack
  
• Leak-proof Shut-off Valve: Instantly stops flow and offers reliable stowing
  
• Semi-rigid Centre Baffle: Offers low-profile support and makes for easy cleaning and drying
  
• HyFLO™ Self-sealing Bite Valve: Improves flow along with new, larger 5/16" drink tube
  
• Funk-free: Embedded Silver-ion protects clean water from mold & bacteria
  
• Pure Platy Experience: All materials are certified taste-free, BPA-free, BPS-free, and phthalate-free
• Length: 38.1 cm
• Width: 22.1 cm
• Weight: 0.17 kg
• Materials:
  • Film: Polyurethane / Polyethylene
  • Bite valve: Silicone