Sizing charts for most items sold on Merchtable are available at the links below. 

Since many of the garments we sell are printed in a wide variety of sizes, and from many different manufactures, we provide these as a general estimate. 

To help get the best possible fit, we usually suggest measuring a comfortable shirt you already own. If possible, measure from armpit to armpit, and from the collar to the bottom of the garment. You can compare these numbers to the estimated measurements we provide. Also keep in mind we typically factor in a plus/minus of around 1/2 inch to the measurements to account to variations in production. On to the charts!: