Fight the forces of Hydra without worrying about wedgies with these officially licensed Agents of S.H.I.E.L.D. Symbol Men's Underwear Boxer Briefs. These classic blue and black Marvel boxer briefs are made from a luxurious blend of 92% polyester and 8% spandex and feature a formal repeating Agents of S.H.I.E.L.D. symbol design.