The uswe f3 pro hydration pack 1l the f3 pro is an insane moto pack for 1 3 hour rides when you want a super slim tank but still need to bring some spare tools the 4 point harness design keeps your stuff intact and in place on your back no matter how fast you39re going over the steep rocks or the long dunes on days that you want to go minimalist you easily click off the removable organizer compartment and wham bam you have an ultralight racer pack f3 pro carries 1 6 litre of water and i