The North Face Mens Nuptse Tent Mules IIIin Shiny Black The North Face Mens Nuptse Tent Mule III in Shiny Blackfor a great blend of warmth & protection The North Face Mens Nuptse Tent Mule III are what your feet need. Thermoball insulation for amazing warmth-to-weight ratio & comfort these are the perfect winter slipper. These are constructed from recycled consumer plastic which will give you that environmental peace of mind. The nylon mesh sole has grippy plastic lugs for traction on laminate & tiled flooring around the home. luxurious sock liners add more comfort to make the perfect slipper for relaxing. Medium = UK 7 to UK 8.5 Large = UK 9 to UK 10.5 XL = UK 11 to UK 12.5