Save for a particular, unmistakable feature, Gareth could be taken for human, albeit a strange one. He stands at six and a half feet in height with a lean build that belies his remarkable strength. He has auburn hair which gleams crimson in sunlight and reddish-brown eyes that burn with intense focus much of the time. His skin is fair and seems largely resistant to tanning or growing weather beaten regardless of how much time he spends exposed to the elements. The wings however are what mark him incontrovertibly as something other for all to see. They span almost 20 feet when fully extended to the sides, are covered in iridescent red-brown feathers, and can carry him aloft at speeds rivaling the fastest horse.

When dressed for battle, he goes clad in breastplate armor crafted beautifully from mithral and emblazoned with a stylized red falcon and wrapped in a similarly styled cloak. In lieu of shield, he carries a paired longsword and handaxe which make short work of most foes.