- Composition: 89% Polyamide 11% Spandex. Ultra light stretch microfiber forms sleek, body-defining fit that is breathable.Wide elastic waistband.Pouch is contoured for support and definition.Long length to prevent chafing.Hand Made in Chile.The ErgoWear EW0604 MAX XV Boxer Brief is made from a super stretch microfiber fabric that allows it slip on like a glove and provide comfort, support and breath ability the whole time you wear it. These babies are made for style and substance.