measurements sleeve 17 inches from armpit to cuff waist 10 inches unstretched 16 inches stretched max inseam to cuff 15 inches pit to pit 15 inches top hem to bottom hem 24 inches the shirt is suppose to be a little longer for the pennywise look. back of shirt has a hidden zipper it works no issues. the collar ties and the belt is hook and loop (velcro) The fabric is breathable but well made.