Calvin Klein Women Modern Cotton Thong Black. This Thong is made from soft superior quality pima cotton blend for a streamlined fit. Features seamless sides for extra comfort and a cotton gusset. The item runs slightly small and features the Calvin Klein Signature Logo Waistband. This Calvin Klein Womens underwear is made from 53% Cotton / 35% Modal / 12% Elastane. Item is Non Returnable due to Hygiene reasons MPN: f3786e-001. Go for breathable comfort and a sporty look with our signature MODERN COTTON underwear and loungewear range. Women's Modern Cotton thong. A range of underwear featuring a contrasting signature branded waistband in a stretch cotton marl mix.