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Go big. The largest of the ultra-light series, the UltraFlask 600 holds more so you can go the distance. Its soft material allows it to fit snugly in most vest pockets and it shrinks as you drink to minimise water movement.
- The UltraFlask 600 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
- Includes removable/adjustable drink tube; cut to a custom length or mount bite valve directly to cap
- 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
- Safe and reliable, 100% BPA & PVC free
600 ml / 20 fl oz
43 g / 1.5 oz
165 mm / 6.5 in x 70 mm / 2.75
Thermoplastic Polyurethane; Silicone; HDPE