NEW & IMPROVED! Everything you need for coffee on the trail. The Flash Java 1.0L bundles our efficient Flash 1.0L cooking system with the stowable Silicone Coffee Press, which stores perfectly inside the cook pot. Jetboil's 1.0L FluxRing cooking cup with insulating cozy makes boiling water for coffee—and keeping it warm—a breeze. Start brewing instantly with the new turn-and-click igniter and verify that the water's ready with the thermochromatic heat indicator. Whether it’s your first cup of the day or a boost after a long adventure, Flash Java 1.0L boils in seconds so you can fuel up faster.

Features: 

• New turn-and-click ignition, just like your home stove

• New colored grip zone provides easy and intuitive handling

• New cozy design for the 2025 Flash Java 1.0L

• Improved pot to burner connection with three locking points and visual indicators

• Boil water in a lightning-fast 120 seconds to enjoy your morning cup of coffee or dehydrated meals with less waiting

• Everything packs neatly into the cooking cup, saving pack space and keeping your gear organized