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 in 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 a new, larger 5/16" drink tube
  
• Embedded silver-ion protects clean water from mould and bacteria
  
• All materials are certified taste-free, BPA-free, BPS-free, and phthalate-free
• Capacity: 2L / 70 fl. oz
  
• Dimensions: 35.6 x 22.1 cm / 14 x 8.7 in (L x W)
• Weight: 0.15 kg / 5.4 oz
  
• Materials:
  • Film: Polyurethane / Polyethylene
  • Bite valve: Silicone