The North Face - ThermoBall Traction Bootie. Color Phantom Grey Heather Print/TNF Black. On sale for $68.10. MSRP $68.95.. 4.8 out of 5 stars+3Brand NameThe North FaceProduct NameThermoBall Traction BootieGenderWomen'sColorPhantom Grey Heather Print/TNF BlackPrice$68.10MSRP: $68.95Rating5Rated 5 stars out of 5(1742)