Speedo panel mens jammers these speedo panel jammers benefit from flat lock seams to provide the ultimate comfort to the body and prevent irritation and chafing to the skin these jammers have a internal support for a more secure and comfortable fit when swimming jammers flat lock seams internal drawstring patterned panels built in inside panel speedo logo on leg hand wash only body 755 nylon 25 elastane panel 53 polyester 47 pbt polyester