If you’re a guy who’s ever bought a new pair of swim trunks, chances are you’ve asked yourself: “What’s up with this netting inside?” You’re not alone. Many men find the mesh lining confusing, uncomfortable, or just plain unnecessary. But here’s the thing—there’s actually a good reason it’s there. Whether you’re a casual beachgoer, a dad taking his kids to the pool, or a fitness enthusiast who swims laps, understanding why swim trunks have netting can help you decide whether to keep it, cut it out, or look for alternatives.
Let’s dive into the truth about that mysterious netting and figure out if it’s helping—or holding you back—on your next swim day.
What Is the Netting in Men’s Swim Trunks?
The netting, also called mesh lining, is a lightweight fabric sewn inside men’s swim trunks. It looks like a built-in pair of underwear and is designed to add an extra layer of support. Think of it as a functional feature, not just random fabric.
But here’s the big question—why is it even necessary?
Why Do Men’s Swim Trunks Have Netting?
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Support & Comfort
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Swimming involves a lot of movement, and without proper support, things can get… uncomfortable.
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The mesh lining keeps everything in place, similar to how athletic shorts often have built-in liners.
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Preventing Chafing
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Wet fabric rubbing against skin is a recipe for irritation.
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The mesh acts as a barrier, reducing friction between your skin and the outer swim fabric.
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Hygiene & Safety
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Pools and beaches aren’t exactly the cleanest places.
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The lining helps keep sand, dirt, or bacteria from coming into direct contact with sensitive areas.
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Breathability & Quick-Dry Function
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Unlike cotton underwear, mesh fabric is breathable and dries quickly.
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This helps prevent that heavy, soggy feeling when you step out of the water.
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Do You Really Need the Netting?
Here’s where personal preference comes in. Some guys swear by the netting for comfort and function, while others cut it out immediately.
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Keep It If: You like extra support and want a quick-dry, low-maintenance option.
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Cut It Out If: You prefer wearing compression shorts or swim briefs underneath for better comfort.
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Try Both: Many modern swimwear brands now offer trunk options with or without mesh lining.
Alternatives to Netting in Swim Trunks
Not a fan of the mesh? You’re not stuck with it. Here are some alternatives guys are switching to:
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Compression Shorts: Wear them under unlined swim trunks for better support.
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Board Shorts (No Liner): Popular among surfers and beachgoers, these give you more freedom of movement.
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Hybrid Swim Shorts: Designed to be worn both in and out of water, often with softer or removable linings.
How to Choose the Right Swim Trunks for You
If you’re shopping for new swimwear, here are a few tips:
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Check the Liner: Decide upfront if you want mesh, compression, or no lining at all.
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Think About Activity: For swimming laps, go for supportive trunks. For lounging at the beach, a looser fit might feel better.
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Prioritize Comfort: Try them on dry, but imagine how they’ll feel wet. Comfort is key!
Conclusion & Call-to-Action
So, why do men’s swim trunks have netting? In short—it’s about support, comfort, and protection. But at the end of the day, it’s all about personal preference. Some guys love the built-in mesh, while others cut it out and go with compression shorts instead.
Next time you’re shopping for swimwear, ask yourself: Do I want the netting or not? That choice could be the difference between enjoying your day at the beach—or constantly adjusting your trunks.
👉 What about you—team netting or team no-netting? Share your thoughts in the comments below and let’s settle the debate!