Details, Size & Fit. The Allerton Action brief is a slim to regular cut with a folded mesh frame to flatter The body and add a little extra coverage. Allerton sizes run small, we suggest you order a size up from your usual.Rinse thoroughly in cold water. Cold hand wash. Dry in shade. Avoid rough surfaces, suntan lotions, heated pools and spas. Garments may fade or become transparent when wet. SKU: AL469AA23YUM.