This is a MIZUNO competitive swimsuit. Men's, size M. The color is navy. Waist laid flat measurement: approx. 29 cm Length: approx. 33 cm Material: 80% Polyester 20% Polyurethane Worn a few times, no tears or damage. How about for school swimming classes or as swimwear for swimming lessons at a club? It was worn over white underpants. There is a name written on the back of the tag, so it will be cut off before shipping. Thank you to those who understand that this is a used item.