These tshirts fit small. Most people prefer to size up 1-2 sizes to get a standard tshirt fit. "These ipf shirts fit so good. Go perfect under a comp singlet without bunching etc. Top quality." -Brian C. "Great quality shirt. Love this shirt."-Valeria The official t-shirt of the International Powerlifting Federation (‘IPF’) Featuring the IPF and SBD logos As worn by platform staff at all IPF World Powerlifting Championships Manufactured from 100% premium cotton Water-based inks for a soft feel Available in Ladies’ and Men’s fits Manufactured exclusively for SBD Apparel Please note, the sizing for this t-shirt fits smaller than standard North American sizes. May prefer to wear a size or two larger than they wear in a standard t-shirt.