Brief Insanity Men's American Flag Commando Boxer Shorts Soft Silky Underwear Red/Blue 7020005. Brief Insanity Boxers have your comfort first on it's list of priorities. These lightweight boxer shorts have a silky feel both inside and out. Made of innovative micro material, Cena synthetic Silk, the most comfortable boxers you will ever wear, feels like you?re going commando. This Soft Knit fabric has no pinching, no pulling and no restriction. Can be worn as boxers or Undies. Material: 90% Polyester 10% Spandex. Color: Blue/Beige/Red. 7020005