Thermoball Traction Mule V Winter Shoe - Insulated Slip-In Comfort Eco

Our review of the Thermoball Traction Mule V shows this as a simple, effective winter shoe for men who want quick warmth and dependable traction. The single biggest reason to buy is the combination of lightweight ThermoBall Eco insulation and a grippy rubber outsole that makes these ideal for short outdoor tasks or post-hike camp use; they slip on easily for many users and trap heat well even in damp conditions. This review focuses on real-world wearability, warmth, and how the water-resistant ripstop upper performs in wet snow and cold cabin floors.

Key Features

• ThermoBall Eco insulation: Provides consistent warmth using 100% recycled polyester that holds heat even if conditions are damp.
• Ripstop upper with DWR: A durable, 100% recycled polyester upper treated with a non-PFC DWR to repel light moisture and snow.
• Oso fleece-lined collar: A soft, comfortable collar adds cushioned warmth at the ankle and improves slip-on comfort.
• Collapsible heel and stretchy panels: The collapsible heel plus stretchy side panels make slipping them on and off quick for camp or quick errands.
• Recycled rubber outsole: A grippy outsole with up to 20% recycled rubber provides steady traction on slick decks and icy walkways.
• Water-resistant durability: Construction and materials are chosen to withstand repeated outdoor use while remaining lightweight and packable.

Who It's For

These mules suit men who need a warm, easy-to-wear shoe for transitional outdoor use: campers stepping around base camp, hikers who want a warm slip-on at camp, or anyone who wants a cushioned, insulated shoe for short outdoor chores in winter. The ThermoBall insulation and grippy sole make them particularly useful where warmth and modest weather resistance are priorities.

They are not intended as a full replacement for heavy snow boots on extended winter treks or for users who require a fully waterproof, structured hiking boot for long-distance trails. Those seeking rigid ankle support or deep-snow performance should consider a dedicated winter boot.

Pros & Cons

Pros

• Warm and comfortable thanks to ThermoBall Eco insulation and a fleece-lined collar.
• Lightweight and easy to pack, with a collapsible heel for quick on/off use.
• Durable ripstop upper with non-PFC DWR sheds light moisture and snow.
• Grippy outsole delivers steady traction on slick surfaces and cold floors.

Cons

• Fit can run small or feel tight for some users, so trying on or sizing up may be necessary.
• Not fully waterproof or designed for prolonged deep-snow immersion or technical winter hiking.

Specifications

Brand	The North Face
Model	Thermoball Traction Mule V
Insulation	ThermoBall Eco, 100% recycled polyester
Upper	Ripstop, 100% recycled polyester with non-PFC DWR
Outsole	Rubber with up to 20% recycled rubber
Collar	Oso fleece-lined for added comfort
Access	Collapsible heel with stretchy side panels for slip-in wear

Our Verdict

The Thermoball Traction Mule V is a practical, value-oriented winter shoe for men who need quick, insulated warmth and dependable traction for camp use, errands, and light outdoor chores. It balances sustainable materials with real-world utility, though those needing rigid support or full waterproofing should look elsewhere. For most casual outdoor users it is a smart, comfortable pick.

Frequently Asked Questions

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

Do they run true to size?
Fit is mixed in customer feedback; some find them true to size while others report a tight fit, so consider trying on or sizing up if between sizes.

Can I wear them outdoors in snow?
Yes for short periods and light snow-outsole traction and insulation handle brief outdoor use, but they are not a substitute for heavy winter boots in deep snow.