Those are a screenshot brand 2pcs set.. almost $150 because I have to buy them separately..personal item..I wear regular medium tshirt and large pant..but the large was tight on me,I have to get xl.i m 5'9 in height 175 lbs..if you were 36x32  or 36x33 with a medium tshirts size.this is your size..it won't be tight nor big.if you want it a little roomy any 34x32 or 34x33 will do.new with tags on it.