Protect the fellas with our first ever flame-resistant (FR) boxer! These FR Boxers are inherently flame-resistant to ensure safety where it matters most. You don’t want to be wearing all the right gear and have things go wrong where you least expect it. FR Boxers may seem like an afterthought, but it could be the most important purchase of your life. Don’t risk it. Stay safe, protected and comfortable with MWG’s FLEXSAFE FR Underwear.