Large APS-C (22.3 x 14.9 mm) sensor Large sensor in Canon T7i 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.
Large Body Even the smallest lens attached to this body will be a burden to carry everywhere with you.
532g Carrying this weight all day may not be very comfortable for you.
Body Thickness 76mm With a thickness of 76mm,Canon T7i is not a pocketable camera for sure.