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How Often Should You Buy New Underwear?


How often should you buy new underwear? That is the question, and the answer is less straightforward than it might first appear. While some men may think that their underwear can last indefinitely, there are important factors to consider when it comes to replacing your undergarments. In this blog post, we will explore the reasons why regular underwear replacement is crucial for your comfort and hygiene.

The Importance of Underwear Replacement

According to experts, it is recommended to replace your old underwear with new ones once every 6-12 months. While this might seem like a broad window of time, it is essential to understand the reasons behind this recommendation. Over time, underwear can accumulate harmful bacteria, which may lead to various health issues, including urinary tract infections and rashes. To maintain personal hygiene and comfort, regular underwear replacement is key.


The Tanis Experience: Quality Underwear for Your Comfort

When it comes to purchasing new underwear, quality matters. Tanis USA offers a range of premium underwear that guarantees all-day comfort, mobility, and breathability. Their Pima Cotton underwear, known for its softness and durability, is a popular choice among many. For a more economic option, the Cotton Stretch collection provides a snug fit and comes with an extra pair in every 3-pack. To make underwear replacement effortless, Tanis USA also offers a subscription program, ensuring you never run out of fresh, comfortable undies.

Underwear & Bacteria: The Ugly Truth

Your underwear comes into close contact with your skin and private areas, making it a breeding ground for bacteria. Even after washing, your underwear can harbor up to 10,000 living bacteria, including E.coli. Over time, the accumulation of bacteria can lead to potential health issues, emphasizing the importance of regular underwear replacement.

How Often Should You Replace Your Underwear?

Nearly all experts agree that replacing your underwear once every 6-12 months is a sensible timeframe. However, some factors may influence the replacement frequency. For instance, if you have specific underwear for athletic activities that experiences more wear and tear, you should consider replacing them sooner than others. Ultimately, regular replacement ensures optimal comfort and hygiene for your sensitive areas.

How Often Should You Wash Your Underwear?

Wearing the same pair of underwear for a full day is generally acceptable, but it's essential to wash them before wearing them again. Hot water washes with a trusted detergent can help eliminate bacteria. Cleaning your washing machine regularly with a hot water cycle will also prevent bacterial buildup and ensure clean underwear each time.

How Do You Know When it's Time to Replace Your Underwear?

Sometimes, it's easy to forget when you bought your underwear. However, physical cues can help you determine when it's time for replacement. When you notice sagging material, faded colors, or a weakened elastic waistband, it's a sign that your underwear has reached its limit and needs to be replaced for maximum comfort and support.

How Many Pairs of Underwear Should a Man Have?

The ideal number of underwear varies from person to person, depending on lifestyle habits. Experts generally recommend having at least 20 pairs of underwear in your wardrobe. This ensures you have enough to rotate through and maintain proper hygiene and comfort.

The Best Fabric for Underwear

When choosing underwear, look for materials that are long-lasting, breathable, and tight-fitting. 100% Pima Cotton is an excellent choice, offering premium support, a smooth texture, and all-day wearability. For a more affordable option, fabric blends like Cotton Stretch provide a snug fit and come in various patterns and colors.


Regularly replacing your underwear is essential for maintaining personal hygiene, comfort, and overall health. By choosing quality brands like Tanis USA and following a proper washing regimen, you can ensure that your sensitive areas are always fresh and clean. Take care of your underwear, and it will take care of you.

General FAQ

How often should you throw away your underwear?
As a general rule of thumb, you should replace your underwear once every 6-12 months.

How long should men's underwear last?
The average pair of men's underwear lasts about seven years, but it's recommended to replace them once every 6-12 months.

How many days in a row can you wear the same underwear?
You shouldn't wear the same underwear for more than a day, or two days at most.

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