Nathan 18oz Insulated Soft Flask with Bite Top - 0153
type: INSULATED SOFT FLASK
This soft flask provides big-time insulation for a big-time thirst.
- Insulated properties keep fluids cooler 38% longer than non-insulated soft flasks
- Bite valve keeps liquid from escaping
- Works great with all NATHAN hydration vests
- Capacity: 18 oz/535 mL
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