Calvin Klein Underwear Triple Pack Of Low Rise Shorty Trunk Boxer Shorts in Black, Classic Fit. Cool breathable cotton with added stretch for ultra soft comfort and shape retention. The body of the boxers is in black with each pair having an elasticated waistband in blue, navy or red with the Calvin Klein logo woven in white or light grey. 95% Cotton and 5% Elastane. Brand New Collection Of Calvin Klein Boxers, Trunks and Underwear Live Online AU.