The North Face

Thermoball Traction Mule II

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Thermoball Traction Mule II

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The warmth and comfort of ThermoBall powered by PrimaLoft insulation combined with a high-traction rubber outsole make this slip-on ideal for padding around base camp. Partially blocks rain/snow to increase breathability. Insulation traps hot air for reduced heat loss and increased warmth. Lightweight warmth and compressibility of down with the wet-weather insulating performance of synthetic insulation.

  • ThermoBall powered by PrimaLoft insulated slip-on with a grippy rubber sole
  • Lightweight, compressible Thermoball insulation retains warmth in wet, cold conditions
  • Durable, water-resistant, 100% recycled P.E.T. ripstop upper
  • 40% recycled rubber outsole for supreme traction

Delivery and Returns

Estimated delivery date: (based on standard shipping).

We offer free shipping on orders over $99, and free returns and exchanges for up to 30 days.