Saitis barbipes is characterized by a significant Sexual dimorphism. Males can reach a body length of , while females measure . Jerzy Prószyński Monograph of the Salticidae (Araneae) of the World 1995-2015 - Part II - Global Species Database of Salticidae (Araneae) The female shows a less evident coloration, with a dull brown body, a dark or blackish eyes field and pale brown legs with almost no drawing.
