The North Face - ThermoBall Traction Bootie. Color Phantom Grey Heather Print/TNF Black. $68.63. 4.8 out of 5 stars+3Brand NameThe North FaceProduct NameThermoBall Traction BootieGenderWomen'sColorPhantom Grey Heather Print/TNF BlackPrice$68.63Rating5Rated 5 stars out of 5(1742)