Tank top from Calvin Klein Jeans. This classic tank top is made from 28% recycled cotton fabric from reprocessed existing materials. Highlights. Stretch jersey cotton. Made from recycled fibers. Fine ribbed texture. Sleeveless. Easy to slip-on. Calvin Klein monogram print on the chest Fit. Slim fit Material composition. 67% cotton, 28% recycled cotton, 5% elastane Sustainability. Global Recycled Standard.