Tops size chart size xxs xs S M L XL xxl xxxl size 32 34 36 38 40 42 44 46 chest (cm) 77 81 85 89 93 97 101 105 waist (cm) 61 65 69 73 77 81 85 89 Chest: Put the tape measure above your chest at the lowest point. Measure around your chest, placing it in the widest point. Waist: Put your hands around your waist. The point where your hand is at your waist. Measure around your waist from there. Inner leg length: Measure your leg length from the top of the fork to the anklebone. To keep the tape measure straight; You should be careful not to slide it so that it is parallel to the ground.