- Lightweight ThermoBall™ Eco insulation retains warmth
- Oso fleece collar lining for comfort
- Sole Unit | Up to 20% recycled rubber outsole
- Upper| 100% recycled P.E.T. ripstop upper with non-PFC durable water-repellent (non-PFC DWR) finish to help keep feet dry
- Collapsible heel with elastic side panels for easy on/off