Sneakers have long ceased to be exclusively sports shoes. Today we wear them to work, go on trips, choose for walks and even important events. When actively worn, shoes inevitably accumulate moisture, and with it, microorganisms, which cause a persistent odor. At the same time, regular washing is not suitable for all models and materials, and a high-quality pair is quite expensive today.

The good news is that sneakers can be cared for in many ways without expensive expenses. One of the most unexpected, but working ways… overnight in the freezer!

How the cold works
A large number of sweat glands are located on human feet. Moisture itself is odorless, but it creates a favorable environment for the growth of bacteria and fungi. These microorganisms break down sweat and skin particles, resulting in volatile compounds with an unpleasant odor.

Low temperatures slow down the vital activity of bacteria and partially destroy them. Cold is not a complete sterilization, but it significantly reduces the number of microorganisms that cause shoes to smell.

How to use the freezer properly
In order for the method to be effective and safe, it is important to follow several important rules.

Clean the sneakers from dirt and, if necessary, wipe the inside surface.

Dry your shoes completely, as freezing wet sneakers can damage the material.

Place the shoes in a tight bag or airtight container to avoid contact with food.

Leave it in the freezer for 6-8 hours.

After removing, allow the sneakers to warm up at room temperature naturally.

As a result, the odor becomes much less pronounced or disappears completely.

Sneakers made of synthetic materials and textiles usually tolerate the cold well. But models made of genuine leather and suede require caution: sudden temperature changes can lead to deformation, drying of the material and the appearance of cracks. For such shoes, regular ventilation and the use of special deodorants are preferable.

Alternative methods of temperature exposure
If you can’t put your sneakers in the freezer, you can refresh them in other ways.

In the cold season, shoes can be left on the balcony or loggia at subzero temperatures. In a few hours, the cold reduces the activity of odor-causing bacteria.

In summer, sunlight can be an alternative: ultraviolet radiation has bactericidal properties and helps reduce the number of microorganisms inside shoes. At the same time, it is important to avoid overheating and not to keep the sneakers in direct sunlight for too long, so as not to damage the material and adhesive joints.

Additional ways to prevent odor
In order for sneakers to last longer and not fail at the most inopportune moment, it’s worth starting a few simple but useful habits.

First of all, let the shoes “breathe.” After the sock, do not immediately hide it in the closet, but allow it to dry completely.

Removable insoles with antibacterial impregnation are of great help, which take on the main moisture and odors and can be easily changed if necessary. For additional protection, absorbents are suitable: baking soda, activated charcoal or special deodorizing bags that imperceptibly do their job.

Alternating several pairs of sneakers is also considered good practice. This way, everyone will have time to recover between exits.

The right choice of socks completes this simple ritual: natural fabrics wick moisture away better and help keep shoes fresh for a long time.

A constant humid environment inside shoes increases the risk of fungal foot skin diseases. Reducing the number of bacteria and controlling moisture is an important part of prevention, especially when wearing sneakers daily. Proper care, including such simple methods as exposure to cold, helps to keep shoes in good condition, reduce odor and make the wear more comfortable and safe for health.