Men’s boxer briefs Men’s underwear made from polyester / elastane Machine wash Imported Freegun underwear style FGBST31BMHEROES Bring out the kid in you with these animated Freegun cartoon boxer briefs. Made from a comfortable blend of polyester and elastane, the Freegun Heroes boxer briefs feature a cool comic-book style design of superheroes and villains in rich tones of red, blue and black. Colorful and fun, these Freegun boxer briefs are always ready to save the day.