Free People Galactica Mule in Metallic Silver. - size 39 (also in ) Free People Galactica Mule in Metallic Silver. - size 39 (also in ) Leather upper with man made sole. Slip-on styling. Metallic paint detail. Wedge measures approx 3 H. FREE-WZ84. OB547921. Free People invokes a spirit of femininity and creativity. Throughout their line of sweaters, tees, dresses and more, each piece incorporates a high level of quality and originality that reflects their adventurous it girl. With all that's constricting in the world today, Free People says your clothes don't have to be. Be yourself, be creative, be free.