Authentic Speedo brand- competitive swimwear for a fraction of the original cost- this swimsuit has a cool opening in the back and racerback straps The best in swimwear- sturdy, thick material- excellent for lifeguards and competitive swimmers I have converted the sizing on your behalf- a 38 in Speedo sizing is a size Large, best for those with a 37.5”-39” chest size speedo swimwear generally retails for around $90 **** Last pic is A STOCK PHOTO, not the swimsuit you will receive, just there to give an idea of what the open back looks like****