Stay comfortable before, during, and after workouts with the Nike Boxer Brief 3 Pack. Made with super-soft and stretchy fabric, these briefs deliver all-day comfort from home to the gym. Get the best-in-class support with the Nike Boxer Brief 3 Pack. Body: 92% reprocessed polyester/8% elastane; Elastic: 58% nylon/28% polyester/14% elastane. Imported. Nike Nike Boxer Brief 3 Pack - Men's