Women's Thermoball Traction Mule V Winter Shoe - Insulated Slip-In

Our review of the Women's Thermoball Traction Mule V finds it best for anyone who wants a warm, easy-to-wear winter shoe for short outings, cabin use, or casual outdoor chores. The single biggest reason to buy is the combination of ThermoBall Eco insulation and a soft fleece collar that delivers reliable warmth and a comfortable slip-in feel without the bulk of a full boot. It balances insulation, water resistance, and treaded stability in a compact mule that works well for everyday winter wear.

Key Features

• Slip-in comfort: The collapsible heel and stretchy side panels make these mules quick to put on and remove while still offering a cushioned, sock-like feel for short walks.
• Warm insulation: ThermoBall Eco insulation made from 100% recycled polyester retains warmth even in damp conditions so toes stay toasty.
• Water-resistant durability: A ripstop upper made from 100% recycled polyester with a non-PFC DWR finish repels light moisture and snow to help keep feet dry.
• Steady traction: A grippy rubber outsole with up to 20% recycled rubber provides secure footing on slick decks, icy walkways, and cold cabin floors.
• Soft-lined collar: Oso fleece at the collar adds a plush touch that improves comfort during all-day wear around camp or town.

Who It's For

The Thermoball Traction Mule V is ideal for women who need a warm, easy-to-wear shoe for brief outdoor tasks, travel, or indoor/outdoor transitions where a full boot feels excessive. It suits those who value insulated footwear that handles light snow or damp conditions without heavy weight.

Not recommended for long winter hikes, sustained wet conditions, or rugged trail use where waterproof boots and full ankle support are required. If you need a fully waterproof, high-ankle winter boot for extended outdoor use, look to structured hiking or mountaineering models instead.

Pros & Cons

Pros

• Comfortable, soft Oso fleece collar that makes the mule pleasant for all-day wear indoors and short outdoor trips.
• ThermoBall Eco insulation keeps feet warm even when conditions are damp, offering reliable heat retention.
• Durable ripstop recycled upper with non-PFC DWR sheds light moisture and snow for improved dryness.
• Grippy rubber outsole gives confidence on slick surfaces while using recycled materials in the tread.

Cons

• Slip-on ease receives mixed feedback; the collapsible heel can be tricky for some users who prefer a fully secure fit.
• Not intended as a substitute for a fully waterproof, high-ankle winter boot on extended outdoor treks.

Specifications

Brand	THE NORTH FACE
Upper	Ripstop 100% recycled polyester with non-PFC DWR
Insulation	ThermoBall Eco, 100% recycled polyester
Collar lining	Oso fleece
Outsole	Rubber with up to 20% recycled rubber for traction
Closure	Collapsible heel with stretchy side panels (slip-in)

Our Verdict

The Thermoball Traction Mule V is a smart choice for women who want lightweight, insulated footwear for short outdoor trips, travel, and everyday winter use. It offers strong value through warm, recycled ThermoBall insulation, a water-resistant ripstop upper, and a grippy recycled rubber outsole, though those needing full waterproofing or ankle support should look elsewhere.

Frequently Asked Questions

Are these waterproof?
They are water-resistant with a non-PFC DWR finish and will repel light moisture and snow, but they are not fully waterproof for prolonged wet use.

Do they run true to size?
Customers report the fit is generally true to size with a comfortable, soft interior; try your usual size for casual wear and consider sizing if you plan to wear thick socks.

Can I use them for icy surfaces?
The grippy rubber outsole provides steady traction on slick decks and icy walkways, making them suitable for light winter conditions.