Thermoball Traction Mule V for Men - Insulated Water-Repellent

Our review of the Thermoball Traction Mule V for men finds these slip-ons best for anyone who wants warm, easy footwear for camp, cabin life or quick outdoor chores. They stand out for sincere warmth and simple on-off convenience thanks to ThermoBall Eco insulation and a collapsible heel that turns them into true slip-in mules. The soft Oso fleece collar and cushioned footbed make them comfortable around the house, while a durable ripstop upper with a DWR finish helps shed light moisture and snow.

Key Features

• Slip-in comfort: The collapsible heel and stretchy side panels let you slide the shoe on and off quickly without compromising a secure feel when worn as a mule.
• High-performance insulation: ThermoBall Eco insulation made from 100% recycled polyester keeps feet warm even if conditions are damp, maintaining loft and thermal performance.
• Water-resistant durability: The ripstop upper constructed from 100% recycled polyester and finished with a non-PFC DWR repels light moisture and snow to keep feet drier.
• Steady traction: A grippy rubber outsole with up to 20% recycled rubber offers reliable traction on slick decks, icy walkways, and cold cabin floors.
• Comfort trim: The Oso fleece-lined collar adds cushioned warmth at the ankle opening for softer contact and improved wearability.

Who It's For

This shoe is ideal for men who need a warm, low-effort winter slip-on for base camp, apres-ski downtime, campground mornings, or quick trips to the mailbox. People who value sustainable materials will appreciate the recycled polyester upper and ThermoBall Eco insulation.

Those seeking a fully waterproof hiking shoe, a formal indoor slipper, or a roomy, wide-fit shoe may want to look elsewhere: the fit gets mixed feedback, and some wearers report the top of the foot feels snug, so try them on or size accordingly if you have a higher instep.

Pros & Cons

Pros

• Warmth from ThermoBall Eco insulation keeps feet comfortable in cold, wet conditions.
• Easy on/off design with collapsible heel and stretchy panels increases day-to-day convenience.
• Durable ripstop upper and DWR finish resist light moisture and extend usable life in winter use.
• Grippy outsole provides dependable traction on slick surfaces.

Cons

• Fit is variable; some users find the top of the foot tight, so sizing or break-in may be needed.
• Not fully waterproof for prolonged wet immersion or heavy rain.

Specifications

Brand	The North Face
Model	Thermoball Traction Mule V (Men)
Insulation	ThermoBall Eco, 100% recycled polyester
Upper	Ripstop, 100% recycled polyester with non-PFC DWR
Outsole	Rubber with up to 20% recycled rubber for traction
Collar	Oso fleece-lined for added comfort

Our Verdict

The Thermoball Traction Mule V for men is a practical, comfortable winter slip-on that delivers reliable warmth, easy on-off wear, and solid traction for everyday outdoor tasks. It is good value for anyone who wants a durable, insulated mule for camp, cabin or casual winter use, though those needing a wide fit or full waterproofing should consider alternatives.

Frequently Asked Questions

Are these fully waterproof?
They are water-resistant with a DWR finish and handle light snow and moisture, but they are not fully waterproof for prolonged immersion.

Will they keep my feet warm when wet?
The ThermoBall Eco insulation retains warmth better than standard fill when damp, so they perform reasonably well in wet cold conditions but are not a substitute for waterproof boots.

Do they run true to size?
Fit is mixed: many find the fit true, but some report they feel tight across the top of the foot, so try for your normal size and consider a half size up if you have a high instep.