Follow these straightforward moves toward sorting out size measurements: All measurements are in inches. Waist size is inclusive of elastic and can be stretched another 3 to 6 inches easily. Measuring T-Shirt Size: T-shirt Shoulder- Measure from one side of shoulder stitches to other side. T-shirt Chest - Measure around the body under the arms at the fullest part of the chest with your arms relaxed at two sides. T-shirt Length- Measure from the shoulder crease through the t-shirt bottom. Measuring Pants Size: Pants Length - Measure from waist up to shin by standing straight. Hip -  Wrap the measuring tape all around the waist(full circumference). *** the size of the garment may vary by 0.5" from the mentioned measurements