The North Face - ThermoBall™ Traction Mule V. Color Summit Gold/TNF Black. On sale for $55.46. MSRP $58.95.. 4.8 out of 5 stars+6Brand NameThe North FaceProduct NameThermoBall™ Traction Mule VGenderMen'sColorSummit Gold/TNF BlackPrice$55.46MSRP: $58.95Rating5Rated 5 stars out of 5(2492)