Stay hydrated without the bulk. This collapsible soft flask shrinks as you drink, so it never bounces or takes up space when empty — just roll it up and stash it in any vest pocket.

• 500ml capacity with clear volume markings
• BPA & PVC free for safe, worry-free hydration
• Leak-proof valve cap, tested and guaranteed
• Heat resistant up to 60°C/140°F
• Fits any standard hydration vest or running belt pocket

Lightweight, packable, and built for the miles ahead.