Compression shorts are provided with a sleeve having an opening at a proximal end of the sleeve that communicates with an opening in the crotch area of the shorts. The sleeve is attached to the crotch area of compression shorts by an elastic engagement of the shorts with the sleeve at a proximal end of the sleeve. A flap is joined to the sleeve. The girth of the sleeve and is expanded or contracted by locating and attaching an end of the flap against the sleeve. A distal end of the sleeve comprises a closure flap to permit covering or uncovering a distal opening in the sleeve, and to adjust the useful length of the sleeve.