Small, but mighty. When you're on the run, UltraFlask 300ml is ideal for quick hydration straight from your hand, the belt or vest. It shrinks as you drink, minimizing water movement, and carries our Beyond Guarantee.

• 42mm cap with removeable bite valve
• Soft material conforms to any pockte
• Ideal size for handheld hydration
• Shrinks as you drink, reducing water movement

Weight: 32 g
Capacity: 300 ml