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Details & care
Want to know what's groovy? This swim trunk for all-day fun in the sun, that just so happens to mix-and-match with everything else in their swim drawer.
- Fabric: 100% recycled polyester with a knit boxer brief lining and UPF 50+ protection.
- Feel: Lightweight, crisp, and extra durable.
- Item #10792320
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Primary
Primary is a mom-founded kids clothing brand on a mission to encourage every kid to be the truest version of themselves. Since launching in 2015, Primary offers a rainbow of simple, gender-neutral styles known for their hand-me-downable quality, super soft and sustainable fabrics, and colorful, slogan-free designs.
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Sort by Most Helpful
Alison
Reposted from Primary
Verified purchase
Aug 5, 2025
Comfortable enough to wear all day
My son loves this style of swim trunks vs the traditional kind that has mesh underneath. He's comfortable wearing it all day at camp and doesn't get any kind of heat rash like he does with the mesh styles.
Caitlin H
Reposted from Primary
Verified purchase
Aug 3, 2025
Great swim trunks - bright colors, true fit
The bright colors are great and sizing is true. These seem like they will wear well, as they look new out of the wash! The liner is great and these are wonderful for swimming, I would recommend these for any water play over the board shorts, as their liner caused skin irritation for our child.
AmyE
Reposted from Primary
Verified purchase
July 18, 2025
Great details
My 7yo son absolutely loves the built in brief-style underwear (not the usual mesh)! He wants several more pairs. As usual, great colors & availability.
Tiffany
Reposted from Primary
Verified purchase
May 6, 2025
Boys trunks
Not our first time buying, love this brand! The fabrics wear well, they run true to size, and everyone loves the prints!