Calvin Klein Performance Double Waist Tights. Enhance your active wear collection with the Double Waist Tights from Calvin Klein Performance . Constructed with a double elasticated waistband, they feature flat lock seams to prevent chafing, finished with signature Calvin Klein Performance branding.Size selection: British sizing (Standard sizing)Fits true to size, take your normal sizeRegular fitBody: 79% polyester, 21% elastaneMachine washableProduct code: 347066