The North Face - Thermoball Traction Mule V. Color Phantom Grey Heather Print/TNF Black. $59.00. 4.8 out of 5 starsAdd to favorites. 0 people have favorited this+2Brand NameThe North FaceProduct NameThermoball Traction Mule VGenderWomen'sColorPhantom Grey Heather Print/TNF BlackPrice$59.00Rating5Rated 5 stars out of 5(1879)