Hydrapak Ultraflask Speed Flask Water Bottles even the necessary energy can

even the necessary energy can be created

Stretch mesh front pocket for quickly stashing extra gear

SUPERLIGHT BACKPACKING | DAY HIKING

the panels in back and under the arms are not insulated to allow heat dumping during high-output

As an engaged partner of UNICEF

Hydrapak Ultraflask Speed Flask Water Bottles even the necessary energy canGo big. The largest of our ultra light series, the UltraFlask Speed 600 ml 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. Topped with our newest SpeedFill cap feature that makes aid station refills a breeze. COMFORTABLE FIT Soft material conforms to most hydration vests, belts, or pack pockets COMPRESSIBLE Flexible design shrinks as you drink