Looking like a big thermo-mug at first sight, Cafflano Klassic is certainly one of a kind with its ultimate practical advantages in carrying all necessary equipment for fresh coffee brewing in a compact form.
Detaching the upper part by twisting, you face the grinder which seems an equivalent of a Hario Skerton with a rough evaluation. The intention of the design is to use the grinder with the below part so that what you grind fills the metal dripper located just below the grinder. The design allows you to put them on the smallest scales on the market and measure the amount of beans. There are just two disadvantages: The design has no tiny bell to grab strongly while grinding and it makes hard to grind light roasts. There are no covers for grinder and while trying to grind fast it is not easy to prevent some beans to spread at first trial - you can learn in time not to bend a lot.
The detached part is not a kettle but a "pouring apparatus" with which you can pour in a controlled way - but not as controlled as a dedicated kettle you can find from Hario and Bonavita. Be careful while pouring hot water from a kettle since the small detail in the bottom can result in some dangerous gambols. Use the red cover (detach it and put it over the pouring apparatus) to keep the water hot. Another warning is for the pouring rate: Don't try to be so fast and increase the decline a lot, otherwise some hot water can get over the limits.
The dripper is a metal one and not surprisingly the ouputs are similar to what you can get with metal filtered chemex. Although the below cup seems large, taking the immersed part of the dripper into account I can easily say that the dripper performance and all other sizes are optimized for a single cup of 200 grams. For more coffee you had better grind very coarse because the drip rate is very slow and the filter size is very small. Filling the pouring kettle twice maybe necessary for more brew amounts.
For me, it is critical to clean and dry the parts of the dripper and the below cup before gathering the Cafflano, because wetting the grinder for the next grind can be a messy experience.
As a summary, I found it a very practical design for fresh good coffee in anytime anywhere just with a scale and hot water addition to the bag. There were certainly some small issues to be fixed if I were in the designers' shoes but they are not in front of the functionality success of Cafflano Klassic.