The Nathan 10 oz Super-Flex flasks with high-flow, soft-sip nozzles are great for athletes looking to stay hydrated during activities.
- High-flow, soft-sip nozzles designed for greater comfort and more water when you need it
- Silicone grip caps are sweaty-hand compatible
- Fits Nathan Speed 2, Trail Mix, Trail Mix 4, and all QuickShots
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