Description
- The UltraFlask 300 flask fits easily in most hydration vest, belt or pack pockets
- Soft material conforms to any pocket for a comfortable carrying experience
- Flexible design shrinks as you drink, reducing water movement on the run
- High-flow bite valve auto-seals after each sip, eliminating annoying drips
- Large 42mm opening lets you fill the UltraFlask easily with ice and drink mixes
- Made of ultra-durable, abrasion resistant TPU & RF welded seams for superior durability and elasticity
- Can be frozen or filled with hot water (max temp 60° C / 140° F)
- Top-rack dishwasher safe