The North Face - Thermoball Traction Mule V. Color Chlorophyll Green/TNF Black. Low Stock. On sale for $23.58. MSRP $59.00.. 4.8 out of 5 stars1 left in stockBrand NameThe North FaceProduct NameThermoball Traction Mule VColorChlorophyll Green/TNF BlackPrice$23.58MSRP: $59.00