Best Boys’ Swim Trunks: Our Top Picks

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Shopping for boys’ swim trunks can be tough. As you well know, boys are extremely active and can be pretty rough on their clothes.

When deciding on a pair of boys’ swim trunks for the beach or the pool you’ll want a pair with durable fabric. There have been some pretty amazing advancements in stretchable fabric for swim trunks that can hold up to a lot of wear and tear.

You know what I’m talking about. The wear and tear that includes crazy shenanigans like doing cannonballs and flips into the pool. Well, I’ve assembled a list of three of the most durable and affordable swim trunks you’ll find.

All of the swim trunks in this list are durable and are great options that have already been battle-tested and verified by plenty of swimmers (and cannon-ballers).

Swim trunks tend to be shorter in length than traditional board shorts. If you’re looking for shorts with a longer inseam, I would suggest checking out my Hurley Boys’ Board Short review.

Here’s my list of the best swim trunks for boys.

Best Boys’ Swim Trunks Reviews

Here are the three best options for boys’ swim trunks: The Kanu Surf Boys’ Echo Beach Swim Trunk, the Under Armor Boys’ Big Boardshort, and the Rokka and Rolla Boys’ Quick-Dry Swim Trunks.

All of these shorts are not only popular, but they are also durable and built to last.

1. Under Armor Boys’ Big Boardshort

Under Armour Boys' Big Boardshort, Ultra Blue-S192, YXL View on Amazon


  • Water-Resistant Technology

These shorts are made of quick-dry fabric that usually will dry in about ten minutes out of the water. Great for a lot of in and out of the pool activities.

  • Stretch Fly-Tie Enclosure System

The fly-tie closure is adjustable for a secure comfortable fit.

  • 4-way Stretch 92% Polyester, 8% Spandex Blend

Probably the most important feature is the 4-way stretch fabric of these shorts, perfect for any physical activities you might encounter in and out of the water.

  • Salt and Chlorine-resistant material

Swimming in the ocean or the pool is no problem as these shorts are made of a material that holds up to both saltwater and chlorine from pools.

  • Secure Back Pocket

These shorts have a secure back pocket with a hook and loop closure, I still wouldn’t keep anything valuable in there if you go in the water.

Pros and Cons


  • There are plenty of styles to choose from, 14 to be exact.
  • Comfortable fit with no problems of being itchy or rash-inducing.
  • Fit true to size.
  • Perfect for lanky kids.


  • No mention of UPF sun-protection rating.
  • No interior drawstring.
  • They can be uncomfortable on larger bodies.

2. Rokka and Rolla Boys’ Quick-Dry Swim Trunks

Rokka&Rolla Boys' Quick Dry Swim Trunks 4-Way Stretch Performance Beach Surfing Board Shorts with Mesh Lining View on Amazon

The Rokka and Rolla brand started in a tiny office in Southern California in 2017. Fast forward to now, they have changed locations three times (they are now in Chino, California) and they continue to grow. They have built their brand on quality outerwear that stands up to whatever you can throw at it.

Their Boys’ Quick-Dry Swim Trunks are a testament to this ethos of quality that the company exudes in all of their products.


  • 4-way stretch fabric.

These shorts are made of a stretchable fabric that is comfortable, breathable and lightweight in & out of the water.

  • Soft Mesh Lining

There is a soft, mesh lining included with these shorts for even more coverage and protection.

  • UPF 50+ quick-dry material

These shorts are made of a water-repellent microfiber material that provides sun protection and durability.

  • Welded zip pocket with waterproof zipper

Elastic waistband with a drawstring closure that provides more comfort and flexibility.

  • Performance fit

These shorts are suitable for surfing, swimming, walking or running, whether at the beach or at home.

Rokka&Rolla Boys' Quick Dry Swim Trunks 4-Way Stretch Performance Beach Surfing Board Shorts with Mesh Lining

Pros and Cons


  • They provide excellent sun protection UPF 50+.
  • Sizing is accurate as described.
  • Super stretchable fabric due to the 9% elastane.
  • Soft meshing lining


  • Doesn’t come in solid colors.
View Rokka and Rolla Boys Quick-Dry Board Shorts on Amazon

3. The Kanu Surf Boys’ Echo Beach Swim Trunk

Kanu Surf Boys' Big Echo Quick Dry UPF 50+ Beach Swim Trunk, Victor Navy/Orange, 8 View on Amazon

Kanu Surf is an up-and-coming swimwear brand. Makers of the popular Kanu Surf Men’s Barracuda Swim Trunks, this brand is becoming a very popular choice when searching for swim shorts.


  • UPF 50+ Sun Protection.

The Kanu Surf Boys Echo Swim trunks come with fabric that provides UPF 50+ sun protection. This is good to have when you are spending long days at the beach.

  • Elastic waistband with Drawstring Closure.

These swim trunks won’t be coming off in heavy surf as the drawstring closure is rugged yet comfortable.

  • Comes in a variety of sizes as well as men’s

If you and your big brother or dad like to wear matching shorts then you’re in luck, these shorts come in sizes from kids all the way to adults.

  • Quick-dry breathable fabric

These shorts dry quickly, usually in about 5 to 10 minutes out of the water.

  • Mesh lining

There is an inner mesh lining, but there are reports that it runs small.

Pros and Cons


  • They come in a variety of sizes with an elastic waistband, perfect for bigger kids.
  • UPF 50+ protection from the sun.
  • Dry quickly.
  • 12 different designs to choose from.


  • Some people found the mesh lining a little uncomfortable.
  • No solid color options.

Bonus Fun Pick

ALOOCA Boys Swim Trunks

This brand is known for its wacky prints, so if you’ve got personality, these are the board shorts for you. My personal favorite is the pair that has the cat wearing a cowboy outfit holding a taco while riding a shark. I know, not your normal pattern (cats can’t hold tacos!), but definitely a conversation starter.

Final Thoughts

When shopping for boys’ swim trunks there are a few things to keep in mind. Sizing should be at the top of your list. You need to make sure you take the correct measurements before ordering a pair. All of the shorts listed will have sizing charts when you go to their respective pages.

After making sure you have the correct size, ask yourself if an elastic waistband of drawstring waistband would be the best fit for you. If you like to leave a little room when wearing your shorts then maybe an elastic waistband is for you.

And finally, if you aren’t a fan of mesh lining, make sure that the pair you get doesn’t have it. This is usually one of the biggest problems people encounter when buying shorts online.

For more tips on how to size your shorts properly, visit our how to measure your board shorts page.

Thanks for reading and have fun in the water, be safe!