The North Face - ThermoBall™ Traction Mule V. Color TNF Red/TNF Black. Low Stock. $58.95. 4.8 out of 5 stars4 left in stock+7Brand NameThe North FaceProduct NameThermoBall™ Traction Mule VGenderMen'sColorTNF Red/TNF BlackPrice$58.95Rating5Rated 5 stars out of 5(2500)