This pair of CarbonFit shorts is Yokkao brand and is size medium. It is fit for boxing, kickboxing, or a fitness workout at the gym. Furthermore, it is tailored for function, freedom, and style for a complete range of movement. The material is 100% Polyester and is made in Thailand. The waist circumference is 28" (without stretching) and the inseam is 4 inches. Brand new with tags and from a smoke-free home.