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Base Camp ThermoBall Mule
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Base Camp ThermoBall Mule—warmth and comfort for winter lounging
What Our Gearhead® Experts Are Saying:
“I love how the Base Camp ThermoBall Mule blends rugged outdoor durability with plush comfort for winter downtime. The THERMOBALL™ insulation keeps my feet toasty even when it’s damp out, and the Vibram® outsole ensures steady steps on slick floors.”
Whether you’re relaxing at the cabin or dashing out to grab the mail, the Base Camp ThermoBall Mule is your go-to winter slip-on for comfort and style. Made with 100% recycled ripstop and featuring a non-PFC durable water-repellent finish, this mule repels light moisture and stands up to winter’s demands. The THERMOBALL™ insulation inside offers the loft, compressibility, and reliable warmth of down—minus the bulk—so your feet stay cozy even in chilly, damp conditions.
With a non-marking Vibram® XS Trek outsole, you’ll have excellent traction indoors and out. It’s the perfect combination of warmth and grip that brings a little luxury to your winter adventures—wherever they may take you.
Details
- Slip-on winter mule for cozy lounging and quick trips
- THERMOBALL™ 100% recycled insulation retains warmth even when wet
- Water-resistant 100% recycled P.E.T. ripstop upper with non-PFC DWR finish
- Non-marking Vibram® XS Trek rubber outsole for superior grip and durability
- Lightweight and packable design—great for travel or cabin weekends
- Part of the classic Base Camp Collection for rugged TNF™ DNA
- Item #TNFZEFR
- Responsible Collection
- Recycled/Repurposed
- Upper Material
- [face fabric] 100% recycled polyester ripstop, PFC-free DWR finish, [insulation] THERMOBALL (100% recycled polyester)
- Closure
- slip-on
- Midsole
- PU
- Sole
- Vibram XS Trek (rubber)
- Claimed Weight
- 11.29oz
- Activity
- casual
- Manufacturer Warranty
- limited 1 year

Shaping the Future of Human/Nature
Since 1966, The North Face has been dedicated to pushing the limits of exploration. What began in San Francisco as a small mountaineering shop has grown into a global brand, known for innovative gear, sustainable practices, and a deep commitment to the outdoors. Guided by the belief that exploration is our oxygen, The North Face empowers athletes, adventurers, and communities worldwide to go beyond the map. Through groundbreaking design and a higher calling to protect the planet, the brand continues to inspire and equip every journey.