The North Face Kids - Thermoball Eco Traction Mule II (Toddler/Little Kid/Big Kid). Color TNF Black/TNF White. On sale for $42.50. MSRP $50.00.. 4.8 out of 5 starsAdd to favorites. 0 people have favorited thisBrand NameThe North Face KidsProduct NameThermoball Eco Traction Mule II (Toddler/Little Kid/Big Kid)ColorTNF Black/TNF WhitePrice$42.50MSRP: $50.00Rating5Rated 5 stars out of 5(403)