Orange Mud UltraFlask 500ml — No-Slosh Soft Flask Size:500ml Works great with the Flatline

Works great with the Flatline Van (tm) or similar rear cargo plate systems with a tubular frame structure

size down for race fit

USB Powered & Machine Washable

It's Juuuuust right

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Orange Mud UltraFlask 500ml — No-Slosh Soft Flask Size:500ml Works great with the FlatlineHydrate Without Hesitation. The Orange Mud UltraFlask 500ml is built for trail runners, ultra endurance athletes, and anyone who demands reliable hydration on every mile. A body conforming soft flask that shrinks as you drink, fits any vest or belt pocket, and locks tight when you need it most. Why Athletes Choose the UltraFlask 500ml: No Slosh Design Collapses as you drink to reduce sloshing and maintain stability in motion. No distracting noise, no