HydraPak UltraFlask XL 600 mL Ultralight Collapsible Bottle

This ultralight collapsible bottle fits perfectly in running vest or pack pockets. This 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 minimize water movement. The soft material conforms to any pocket for a comfortable carrying experience. Flexible design shrinks as you drink, reducing water movement on the run. Includes removable/adjustable drink tube; cut to a custom length or mount bite valve directly to cap. Can be frozen or filled with hot water (max temp 60° C / 140° F) and Top-rack dishwasher safe Volume: 600 ml / 20 fl oz 6.5" x 2.75" Brand new, never used