The North Face Thermoball Traction Mule V winter mules in black for men

The Thermoball Traction Mule V by The North Face in TNF Black/TNF White are men's winter mules, or slippers, from the autumn-winter 2026 collection, with Thermoball™ insulation and a fleece lining inspired by the iconic Denali jacket. They are ideal for popping out into the snow, for example to fetch the newspaper in the morning, or for relaxing by the campfire after a long day in the mountains.

Strengths

• Thermoball™ insulation made from 100% recycled polyester, which keeps your feet warm even when it rains.
• Fleece lining inspired by the Denali jacket and a collar lined with plush teddy fleece, for maximum comfort.
• Upper in high-strength ripstop fabric made from recycled PET, with a PFC-free durable water-repellent (DWR) finish.
• Collapsible heel with side panels, so you can slip them on and off easily.
• High-grip rubber outsole, made with 20% recycled rubber.

Features

• Brand: The North Face
• Model: Thermoball Traction Mule V
• Type: winter mules (slippers)
• Colour: TNF Black/TNF White (black and white)
• Sizes: 39, 40.5, 42, 43, 44.5, 45.5
• Gender: men
• Season: autumn-winter 2026 (FW2026)
• Upper: recycled PET ripstop fabric with a PFC-free DWR finish
• Insulation: Thermoball™, 100% recycled polyester
• Sole: rubber with 20% recycled rubber

Who they are for

For the man who wants to keep his feet warm at home, in the cabin or at camp during winter, and to pop outside or into the snow without changing his footwear. In TNF Black/TNF White, black and white, they go well with joggers, tracksuit bottoms or jeans.

Frequently asked questions

Can they be worn outdoors?

Yes, for short trips: they have a high-grip rubber outsole and a ripstop upper with a DWR finish, and the brand suggests them for walking through the snow, for example to fetch the newspaper. They are mainly designed for relaxing with warm feet, though.

Are they waterproof?

The upper has a PFC-free durable water-repellent (DWR) finish that gives more protection against water, and the Thermoball™ insulation helps keep your feet warm even when it rains.

What sizes are available?

They come in sizes 39, 40.5, 42, 43, 44.5 and 45.5. If you are unsure between two sizes, we recommend getting in touch before you buy.

Are they easy to put on?

Yes, they have a collapsible heel with side panels, designed to make slipping them on and off easier.

Are they made with recycled materials?

Partly, yes: the upper is made from recycled PET, the Thermoball™ insulation is 100% recycled polyester and the sole contains 20% recycled rubber.