OTSO Soft Flask 500 ml – Fluorescent Pink

The OTSO Soft Flask 500 ml in Fluorescent Pink is a collapsible water bottle for trail running, running, trekking, and outdoor sports. As the contents are consumed, the flexible bottle becomes smaller and takes up less space.

Soft Flask for Trail Running and Running

• 500 ml capacity
• Large cap
• Bite valve for drinking on the move
• Flexible, collapsible design
• Weight under 50 g
• Color: Fluorescent Pink

The soft flask is suitable for running vests, trail running backpacks, and activities that require a compact hydration solution.