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.

Specifications:

• 100fl. oz (3.0 liters)
• 6.5 oz (184g)
• 17.2 x 9.0" (43.7 x 22.9 cm)
• Polyurethane / Polyethylene
• Bite Valve Material: Silicone