Calvin Klein Ultra Soft Modal Boxers. Calvin Klein brings a younger, more modern identity and a wide variety of products for all tastes: t-shirts, sweatshirts, sweatpants, jeans, polo shirts, shirts, shorts, dresses, and more. Sophisticated style for men and women at the best price. Discover the latest trends and the new Calvin Klein Spring/Summer 2025 collection at LUC. Composition: Modal (95%), Elastane (5%)