Super-Flex flasks with high-flow, soft-sip nozzle.
- Fits NathanTrail Mix, Trail Mix 4, and all QuickShots.
- High-flow, soft-sip nozzles designed for greater comfort and more water when you need it.
- Silicone grip caps are sweaty-hand compatible
Super-Flex flasks with high-flow, soft-sip nozzle.