5'9" and 170.. No prooblem with concealment of a full size 1911.. Piece of cake if an oversized polo and a good IWB holster is used. If Son can do it, most anyone can.. Check out his photos in a related post.
6'3", 265. I can hide a couple 1911's when necessary, especially if they're like my Kimber compact or Ultra Carry. Full size is very comfortable SOB. FWIW, M2
I'm up to my ideal weight, if I was 11 ft. tall.
I carry a stainless full size Springfeild amd one extra mag in a planner cover. Works great and nobody even looks twice.