The Platypus Big Zip Water Hydration system is the easiest in modular hydration systems that fit with every active lifestyle! This hands-free hydration system is compatible with most hydration packs and makes staying hydrated in all extreme conditions easier than it’s ever been! Platypus Big Zip Features:
Drink tube and reservoir are lined with polyethylene to create a completely taste-free system and resist bacterial growth.
HyperFlow» bite valve offers the highest flow rate on the market.
Ergonomic shutoff valve is angled at 90_ for no-hassle, hands-free hydration.
Wide opening and new rounded corners make filling and cleaning easy.
Secure zip-track seal prevents accidental spills.