City Threads Men's Quick-Dry Swim Boxer Brief Liners deliver exceptional comfort, support, and rash-free performance for active water sports and leisure swimming. Expertly designed from a quick-drying, premium polyester/spandex blend, these liners provide discreet comfort under any swimsuit. Made in the USA, they adhere to strict quality standards, promote fair labor practices, and emphasize sustainability with eco-friendly, low-impact packaging. Durable and safe, the fabric composition ensures long-lasting use without compromising skin safety. Enjoy enhanced comfort and reliability with City Threads swim liners, designed for men who value both performance and sustainability.