- 100% recycled PET upper
- Ripstop fabric upper
- Primaloft Thermoball insulation
- 40% recycled rubber outsole
- True sizing
If you’re looking for toxic green down-slippers, then you’ve most definitely arrived on the right web-page. You’re looking at the North Face Thermoball Traction Mule II slippers, and they’re everything your feet could ever wish for. They look mental, they’re dead comfortable, and they also double up as sleeping bags for outdoorsy guinea pigs. Perfect!