The North Face Thermoball Traction Mule Ii Slippers - Shiny Cosmic Blue/enamel Blue. The perfect alternative to keep having to take your boots on and off around the camp site; The North Face Nuptse Tent Mule III Mens Slipper gives the ideal combination of warmth, comfort and protection from your surroundings. Mainly designed for cooler conditions these have 500 fill power down insulation to keep your feet toasty and uppers made from 100% recycled P.E.T that are ripstop and water resistant too. Having a nylon mesh base and fine mould rubber traction lugs means you’ll have plenty of grip while walking around camp with The North Face Nuptse Tent Mule III Mens Slipper plus with them having a NorthFit and die-cut EVA sockliner gives a premium comfortable and supportive fit.