UltraFlask™ Speed 600 ML Soft Flask

The UltraFlask Speed 600 ml holds more so you can go run the distance. Its soft material shrinks as you drink to minimize water movement.
Go 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. 
Replacing your bite valve from time to time helps maintain your hydration system. HydraPak's Bite Valve Sheaths provide a soft bite and are made of durable silicone. Perfect for chewers or to keep in your emergency gear kit with your bandaids and duct tape. Fits and replaces all HydraPak bite valves on our Reservoirs, SoftFlasks, and UltraFlasks.  *Please note - Blaster Sheaths DO NOT fit on the new Comet Bite valves and are not compatible with any of the new 2023 reservoirs. Please purchase Comet Bite Valve Sheaths HERE.
When it comes to hydrating equipment, heavy duty use needs heavy duty cleaning. Bottle Bright tablets are readily biodegradable, safe & environmentally friendly, made to keep all your containers clean and operating at optimum performance. Contains 12 tablets. Use one tablet per liter of water. 

UltraFlask™ Speed 600 ML Soft Flask

Soft Flasks

Hydrapak UltraFlask Speed 600ml - SS24

Bottles — Native Summit Adventure Outfitters

HydraPak UltraFlask Speed 600ml/20oz

HYDRAPAK Hydra Pack Ultra Flask Speed ​​600ml – STRIDE LAB ONLINE STORE（ストライド ラボ）

HydraPak UltraFlask Speed 600ml 2-Pack - Collapsible Soft Flask Water Bottle for Hydration Vests and Running Pack Ultraflask & Compatible 42mm Filter Cap - Water Filtration Accessory : Sports & Outdoors

HYDRAPAK 500ml Insulated Soft Flask

The HydraPak UltraFlask Speed 600mL is lightweight with a pliable vest-specific construction so that runners can attack their runs without being

HydraPak UltraFlask Speed 600ml/20oz

HYDRAPAK UltraFlask™ Speed 600 ML