North Face x SKIMS ThermoBall Traction Mules V  Sienna

Experience warmth, style, and performance all in one with the North Face x SKIMS ThermoBall Traction Mules V Sienna. Designed for those who demand comfort from the couch to the campsite, this collaboration delivers elevated insulation, sustainable materials, and effortless wearability.

Why Choose These Mules?

Advanced ThermoBall Insulation 100% recycled polyester insulation engineered to retain warmth even when wet. Perfect for damp weather, snowy porches, or steamy kitchens.

Quilted, Water-Repellent Upper — The upper is made with 100% recycled P.E.T. ripstop fabric with a PFC-free Durable Water-Repellent (DWR) finish. Beads of moisture roll right off while you stay dry and stylish.

Plush, Cozy Lining & Fleece Collar — Lined with soft fleece (or faux-fur in variants) around the collar for added cushion and comfort. Snug feel that wraps your feet in warmth.

Easy On/Off, Convertible Design — Collapsible heel and elastic side panels let you wear them as slip-ons or mule style. Ideal for quick errands, lounging, or travel.

Traction & Durability — Outsole crafted with up to 20% recycled rubber. Non-marking tread offers grip on wet or slippery surfaces, indoors or outdoors.

Lightweight & Packable — Minimal bulk design makes them easy to stow in backpacks, lockers, or travel bags without sacrificing warmth.

Collaborative Style & Aesthetic — From the bold sienna colorway to the fusion of SKIMS’ elevated loungewear sensibility with The North Face’s rugged performance DNA, these mules make a statement.

Perfect For:

• Crisp fall mornings or winter evenings

• Après activities after hiking, skiing, or camping

• Travel: flights, road trips, cozy hotel stays

• Lounging at home with elevated comfort

• Gift-worthy: for lovers of sustainable, stylish footwear

  Frequently Asked Questions

  1. Are the North Face x SKIMS ThermoBall Traction Mules  V Sienna waterproof?
  They are water-resistant, not fully waterproof. The upper is made from recycled ripstop material treated with a PFC-free durable water-repellent (DWR) finish. This helps keep out light rain, snow, and moisture, but they are not designed to be submerged in water.

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  2. Do the ThermoBall Mules run true to size?
  Yes, most customers find they fit true to size. The collapsible heel and flexible quilted upper allow for some adjustment. If you prefer wearing thick socks, you may consider sizing up by half.

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  3. Can I wear these mules outdoors or just indoors?
  The North Face x SKIMS ThermoBall Traction Mules V  Sienna are designed for both indoor and outdoor use. The non-marking rubber outsole with added traction grips well on wet or slippery surfaces, making them great for quick errands, walking the dog, or après-camp, as well as cozy lounging at home.

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  4. How warm are the ThermoBall™ Mules compared to regular slippers?
  Thanks to ThermoBall™ synthetic insulation, they are much warmer than standard house slippers. Unlike down, ThermoBall insulation retains heat even when damp, making these perfect for chilly mornings, cold floors, or damp outdoor conditions.

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  5. How do I clean and care for these shoes?

  • Spot clean the upper with a damp cloth and mild soap.

  • Avoid machine washing or drying — this can damage the insulation and water-repellent finish.

  • Air dry naturally away from direct heat.

  • For long-lasting performance, you can reapply a water-repellent spray after extended use.

Authenticity & Sustainability

This isn’t just style — it’s substance. With recycled materials, water-repellent performance without harmful PFCs, and insulation technology from a trusted outdoor brand, you get eco-friendly features without sacrificing warmth or durability.