Big Zip Evo 2.0 Lumbar
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As the newest evolution in taste-free hydration, the Big Zip EVO delivers a significant 50% increase in flow rate from its predecessor, so you feel satisfied with less slurping. This lumbar is a great option for day hikes and mountain bike adventures when you carry a smaller lumbar pack instead of a full backpack. The silver-ion in the materials keeps the reservoir fresh and bacteria-free.
- Secure zip-seal for easy opening, closing and filling
- Pincher grip helps with one-handed filling
- HyFlow bite valve improves flow
- Shut-off valve is leak-proof and ideal for stowing
- Easy to clean, thanks to the wide opening and rounded corners
- Embedded silver-ion protects clean water from mold and bacteria
- Semi-rigid baffle helps keep reservoir open to help it dry faster and with less fuss
- All materials are certified food-grade, BPA-, BPS-, phthalate-free and taste-free, guaranteed