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: Instantly stops flow and offers reliable stowing.
• Leak-proof Shut-off Valve: Offers fast, easy access—no more digging down in your pack.
• Semi-rigid Center 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.
• Made in the USA

Specifications:

• Film: Polyurethane / Polyethylene
• Bite Valve Material: Silicone

1.5 L:

• Weight: 5.6 oz / 0.16 kg
• Capacity: 50 fl. oz / 1.5 liters
• Width: 8.5 in / 21.6 cm
• Length: 13.0 in / 33.0 cm
• Film: Polyurethane / Polyethylene
• Bite Valve Material: Silicone

2 L:

• Weight: 6.0 oz / 0.17 kg
• Capacity: 70 fl. oz / 2.0 liters
• Width:  8.7 in / 22.1 cm
• Length: 15.0 in / 38.1 cm
  
  

3 L:

• Weight: 6.5 oz / 0.18 kg
• Capacity: 100 fl. oz / 3.0 liters
• Width: 9.0 in / 22.9 cm
• Length: 17.2 in / 43.7 cm