Calvin Klein Cotton Stretch Trunks 6-pack

The 6-pack trunks feature a cotton blend with elastane for added stretch and flexibility, making them potentially more comfortable for active wear. In contrast, the 7-pack low rise trunks are made from pure cotton, which may appeal to those who prefer natural fibers without stretch. The 7-pack option offers an extra pair per pack, providing more value for users wanting a larger quantity. Additionally, the low rise design differs in cut and fit, catering to those who prefer underwear sitting lower on the hips compared to the standard trunk style. Both options fall under the same category and share a similar style, so the choice largely depends on preferred fit and fabric stretch needs.