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May 15, 2024 4 min read

Choosing the best material of mens underwear for you can be confusing. Here, we break down the key differences between polyester, bamboo, cotton, and nylon underwear.

Which material of underwear is best?

Is cotton vs. polyester underwear best? What about polyester vs. nylon underwear? When it comes to UFM mens adjustable support pouch underwear, we offer two options of our mens supportive underwear: Polyester-Spandex and Bamboo-Spandex.

Polyester Underwear

Polyester has several characteristics that make it a good underwear for men:

  • Moisture-wicking: Polyester is excellent at wicking moisture away from the skin, keeping you dry and comfortable throughout the day. This feature is especially beneficial for active individuals or those living in hot and humid climates.
  • Quick-drying: Polyester dries quickly, which means that even if you do sweat, your underwear won't stay damp for long. This helps prevent discomfort and chafing.
  • Durability: Polyester is a highly durable material, making it resistant to wear and tear. This durability ensures that your underwear will last through numerous washes and wearings without losing its shape or elasticity.
  • Stretch and flexibility: Polyester fabrics often contain elastane or spandex fibers, which provide stretch and flexibility. This allows for a snug yet comfortable fit that moves with your body throughout the day.
  • Smoothness: Polyester fabrics tend to have a smooth texture, which can help prevent friction and chafing, especially during physical activities or long periods of wear.

UFMs unique combination of 90% Polyester 10% Spandex supportive underwear for men provides the moisture wicking properties of polyester while also providing more compression due to the higher spandex content. When selecting which UFM testicular support underwear is best for you, we generally recommend Polyester-Spandex as our athletic underwear option.

Bamboo Underwear

Bamboo is increasingly popular as a material for men’s underwear due to several key advantages:

  • Softness: Bamboo fabric is known for its luxurious softness, often compared to silk or cashmere. This makes bamboo underwear exceptionally comfortable to wear, with a gentle feel against the skin.
  • Moisture-wicking: Like polyester, bamboo fibers have moisture-wicking properties, meaning they can effectively absorb and evaporate moisture away from the skin.
  • Breathability: Bamboo fabric is highly breathable, allowing air to circulate freely, which helps regulate temperature and prevent overheating. This breathability contributes to a feeling of freshness and comfort, even during prolonged wear.
  • Hypoallergenic: Bamboo fabric is naturally hypoallergenic and gentle on sensitive skin. It is less likely to cause irritation or allergic reactions compared to synthetic materials like nylon, making it a suitable choice for those with skin sensitivities or allergies.
  • Antibacterial properties: Bamboo has inherent antibacterial and odor-resistant properties, thanks to a natural antimicrobial agent called "bamboo kun." This helps keep bacteria at bay, reducing the risk of odor buildup and promoting overall freshness and hygiene.
  • Sustainability: Bamboo is a highly renewable resource that grows quickly and requires minimal water, pesticides, and fertilizers compared to conventional cotton. Additionally, bamboo cultivation helps reduce soil erosion and greenhouse gas emissions. As a result, bamboo underwear is often considered a more eco-friendly option compared to underwear made from conventional materials.
  • Durability: Despite its soft and delicate feel, bamboo fabric is surprisingly durable and long-lasting. With proper care, bamboo underwear can withstand regular washing and wear without losing its shape or softness.

UFMs unique combination of 95% Viscose (from Bamboo) 5% Spandex supportive underwear for men provides a cottony feel while wicking sweat. We recommend our Bamboo pouch underwear for men when it comes to everyday, medical, or low-impact athletic use due to the lower spandex content.

Cotton Underwear

Cotton is commonly used for underwear for several reasons:

  • Comfort: Cotton is soft and breathable, making it comfortable to wear against the skin, especially in sensitive areas like those covered by underwear.
  • Absorbency: Cotton has excellent absorbent properties, meaning it can wick moisture away from the body, keeping you feeling dry and comfortable.
  • Hygiene: Cotton is also naturally hypoallergenic and less likely to cause irritation or allergic reactions compared to synthetic materials. It allows air circulation, which can help maintain good hygiene by reducing the risk of moisture buildup and bacterial growth.
  • Durability: Cotton underwear tends to be durable and can withstand frequent washing and wear, maintaining its shape and structure over time.

Overall, cotton's comfort, absorbency, breathability, and hypoallergenic properties make it a popular choice for underwear. 

Nylon Underwear

While nylon underwear may not be as popular as cotton, it still has its niche in the market for specific needs and preferences. However, Nylon underwear has several drawbacks:

  • Less Breathable: Nylon is not as breathable as natural fibers like bamboo. This can lead to increased moisture and heat retention, potentially causing discomfort, especially in hot and humid climates or during physical activity.
  • Odor Retention: Nylon fabrics have a tendency to retain odors more than natural fibers. This means that nylon underwear may develop a lingering odor more quickly than other materials, requiring more frequent washing to maintain freshness.
  • Less Absorbent: Nylon is not very absorbent compared to other materials. While this can be an advantage in terms of quick drying, it also means that nylon underwear may not effectively absorb moisture or sweat, leading to a feeling of dampness or discomfort.
  • Static Electricity: Nylon fabrics have a tendency to generate static electricity, which can lead to clinging and discomfort, particularly when wearing tight-fitting clothing over nylon underwear.
  • Durability Concerns: While nylon is known for its strength and durability, it can be prone to snagging and tearing, especially when subjected to rough handling or abrasive surfaces. Over time, this can lead to pilling and deterioration of the fabric.
  • Less Natural Feel: Some people may find that nylon underwear lacks the softness and natural feel of bamboo, which can affect overall comfort, especially for those with sensitive skin.


The next time you’re deciding between polyester vs. cotton underwear, nylon vs. polyester underwear, or even bamboo vs. polyester underwear – we suggest keeping things simple.

We recommend polyester pouch underwear for men when it comes to athletic use or working in hot, humid climates.

We recommend bamboo pouch underwear for men when it comes to everyday, medical, or low-impact athletic use.

Thankfully, if you’re looking for the best underwear for testicular support, it doesn’t matter whether you choose polyester or bamboo. All of our men’s support underwear feature our unique adjustable drawstring to provide unmatched scrotal support.