58% Cotton, 37% Polyester, 5% Spandex Imported What’s Included: 3 New Balance Men’s Cotton Performance Boxer Briefs. The sizes are available in Small (29-31” inches), Medium (32-34” inches), Large (36-38” inches), and X-Large (40-42” inches). The boxers come in a variety of colors, ranging from: Grey/Gray, Black, Blue, Royal, Green, and Red. Ultimate Comfort: Made from a high-quality cotton fabric, these boxer briefs are super soft, tagless, and breathable and will provide you with the ultimate comfort, staying cool and dry all day long. Superior Design: These boxer briefs feature an elastic waistband for added flex and will sit comfortably on the waist. These briefs also feature a “no-ride” inseam and tagless labels. You will not have to deal with any uncomfortable bunching from this lightweight fabric, enhancing your training and workouts! Incredibly Durable: These boxers are incredibly durable and are highly fade resistant to washing and drying. Made from 58% Cotton, 37% Polyester, 5% Spandex How to Wash: Washer and dryer safe! Machine wash cold with like colors. Only non-chlorine bleach when needed. Tumble dry low. Do not iron.