Calvin Klein Performance Jersey Shorts. Calvin Klein Performance Jersey ShortsWorkout in style with these premium Calvin Klein Performance Jersey Shorts. Crafted with split hems, soft high-quality fabric, an elasticated waistband, 2 pockets and Calvin Klein Performance branding.• Premium Jersey Shorts• 2 pockets• Elasticated waistband• Short length• Soft, quality fabric• Calvin Klein Performance branding• Split hem for added manoeuvrability• Body: 100% Cotton• Machine washable at 40 degrees