Large APS-C (23.6 x 15.7 mm) sensor Large sensor in Leica CL ensures a good low light image quality compared to smaller sensor, and it also provide shallow depth of field and a nice blurry background when needed.
Medium size Body With relatively smaller body compared to DSLRs and better ergonomics compared to Compacts,Leica CLis a good compromise between size and functionality.
403g Carrying this weight all day may not be very comfortable for you.
Body Thickness 45mm With a thickness of 45mm,Leica CL is not a pocketable camera for sure.