The North Face - Thermoball Traction Mule V. Color Phantom Grey Heather Print/TNF Black. $59.00. 4.8 out of 5 starsBrand NameThe North FaceProduct NameThermoball Traction Mule VColorPhantom Grey Heather Print/TNF BlackPrice$59.00Rating5Rated 5 stars out of 5(1803)