The Thermoball Traction V Mules provide unbelievable comfort at basecamp thanks to synthetic insulation that mimics natural down. Not only that, but they have ultra-grippy rubber outsoles that mean you'll stay firm-footed.

• UPPER: Durable, water-resistant, 100% recycled ripstop upper
• UPPER: PrimaLoft ThermoBall Eco synthetic insulation
• UPPER: Cosy Oso-fleece lining
• UPPER: Collapsible heel with elastic side gore panels for easy on/off
• SOLE UNIT: 40% recycled rubber outsole for supreme traction

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