Like finding your favorite run, and then having it all to yourself, our super-warm ThermoBallT Traction Mule just got that much better when we leveled it up with soft-sustainable merino wool.
- Oso fleece collar lining for comfort
- Upper: Sustainably sourced, non-mulesed, merino wool upper made of the finest and smoothest wool fibers keeps feet cozy and warm
- Lightweight ThermoBall™ Eco insulation retains warmth
- Collapsible heel with elastic side gore panels for easy on/off
- Sole Unit: 40% recycled rubber outsole for supreme traction