Popular cardio includes walking, hiking, and running because they require minimal equipment to enjoy. 
Unfortunately, the weather significantly impacts all three outdoor exercise types. 
You'll also need a pair of sneakers that can withstand the temperature change and, in certain circumstances, snow if you enjoy hitting the streets and trails in the winter.

Happily, Allbirds is working on it. 
With its improved water-repellent shell and wool lining, the Wool Flyer Mizzles Running Shoe was just released by the editor-favorite sustainable company. 
It comes in limited-edition, winter-appropriate colors, including gray, lime green, hazy indigo, and more, in both men's and women's styles. 
Sizes for men range from 8 to 14 and 5

The Wool Flyer Mizzles have a sporty style that is light on your feet and created to move with your natural gait pattern. They have a similar silhouette to the well-known Tree Dasher Sneakers, which have been seen on the feet of celebrities like Mila Kunis. 
They are prepared for chilly rain, sleet, and snow thanks to their inventive eco-friendly, water-repellent outer coatings.

, together with the rubber outsoles on the sneakers, encourages stability, comfort, and general dryness while you walk. 
Additionally, the shoes have a special ZQ merino wool lining that provides additional water resistance to keep your feet warm and dry.

Additionally, the Wool Flyer Mizzles' bio-based SwiftFoam midsoles cushion your feet while supporting your toes, arches, and heels. Their springy and responsive designs also give you an extra boost of energy. 
The company claims that because of their high energy return, they are an excellent option for both short- and long-distance runners. 
Additionally, the diagonal heel designs of the sneakers deliberately reduce impact to avoid fatigue and pain.

Allbirds customers praised the women's Wool Flyer Mizzles Sneakers for their incredible comfort and outstanding grip provided by the rubber outsoles in their evaluations.

The sneakers feature a "great fit and [are] extremely comfortable, especially on lengthy hikes," according to one buyer. 
Another reviewer noted, "They are warm yet airy and dry in the early dew."

The Wool Flyer Mizzles Sneakers are "very comfy right out of the box," said another customer after the first one, who added that they "give a terrific stability in stride." 
I wore them all the time while jogging lightly and walked more than five kilometers per day.

Travelers have also given them their seal of approval. 
"I got these to wear on a trip to Disney, walking 7 to 9 miles every day," one Allbirds buyer commented in a review. 
They were comfy from the moment I put them on, so I could wear them immediately out of the box. 
The water resistance is fantastic, too! 
"I bought these shoes for vacation," a different globetrotter consumer chimed in. 
Compared to my typical walking shoes, these are lighter. 
The moment I put them on, they felt comfortable. 
I'm thrilled with them.

The Wool Flyer Mizzles have made running in cold weather wonderfully comfortable. 
So that you are prepared for your upcoming run, purchase a pair of water-repellent running shoes from Allbirds right now.