Calvin Klein 5 Pack Men's Jock Strap. This jock strap features an elasticated logo waist. Multi-coloured variety for everyday wear, thanks to the pure soft cotton fabric, with enough stretch to ensure a superior fit. Technical Fit The athletic supporter, but part of the skimpy brief family. If you have a body to be really proud of, then this is the best type of mens underwear to show it off. Sits low on the hips and just has a narrow strap of fabric at the rear; a body contouring fit. Key Features Logo waistband Soft Cotton 5 pack. Colour: white