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Boys' swimwear: swim trunks and rashguards with UPF 50+ for ages 2 to 14

(39 Products)

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  1. Winter Mittens Play Black

    Winter Mittens Play Black

    Winter Accessories by Deux par Deux

    $34.00

  2. Mid-Season Mittens In Recycled Polyester Lavender

    Mid-Season Mittens In Recycled Polyester Lavender

    Outdoor Accessories by Deux par Deux

    $24.00

  3. Winter Mittens Play Purple Gray

    Winter Mittens Play Purple Gray

    Winter Accessories by Deux par Deux

    $34.00

  4. Mid-Season Mittens In Recycled Polyester Black

    Mid-Season Mittens In Recycled Polyester Black

    Outdoor Accessories by Deux par Deux

    $24.00

  5. Mid-Season Mittens In Recycled Polyester Light Pink

    Mid-Season Mittens In Recycled Polyester Light Pink

    Outdoor Accessories by Deux par Deux

    $24.00

  6. Winter Mittens Play Candy Pink

    Winter Mittens Play Candy Pink

    Winter Accessories by Deux par Deux

    $34.00

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Need boys' swimwear for beach days and swim lessons? Explore our collection of boys' swim trunks and bathing suits for kids 2 to 14. Built for durability, style and sun protection.

Whether you need boys' swim sets for your 4-year-old or a boys’ rashguard set for your preteen, the perfect match is here.

Boys' swim trunks and rashguards built to last all summer

Our boys’ swimwear 4-6 and children’s bathing suits are engineered for summer:

  • Maximum UPF 50+ on rashguards and one-piece swimsuits
  • REPREVE® recycled polyester
  • Bold prints and colorful designs
  • Multiple styles: swim trunks, rash guards, one-piece suits
  • Quick-drying, chlorine-resistant

From boys' swim shorts or boys’ one piece swimsuits for little ones to kids’ swim trunks for tweens, every piece is adventure-ready.

Eco-friendly boys' swimwear made with recycled fabrics

Crafted from REPREVE® recycled fibers, resists chlorine, salt and washes. Pair with a matching cap or fanny pack!

Fast shipping and hassle-free returns on boys' swimwear

Order your boy’s swim set or swim trunks online and enjoy free shipping on $99+ across the US. Hassle-free returns within 30 days.

Frequently asked questions about boys' swimwear

Do your boys' swim trunks and rashguards provide UV protection?

Yes! Our boys' rashguards and one-piece swimsuits provide UPF 50+ sun protection, blocking over 98% of harmful UV rays. For complete coverage during long sunny days, we recommend pairing boys' swim trunks with a long-sleeve rashguard. It's the perfect combination for beach outings, summer camp, and pool days.

Are your boys' swimsuits chlorine-resistant?

Absolutely! The REPREVE® recycled fabric in our boys' swimwear is engineered to withstand chlorine, salt water, and repeated washes without losing shape or color. Your son can spend the entire summer in the water and his swimsuit will still look great. It's a smart, long-lasting choice for active kids.

How do I pick the right size for my boy's swimwear?

Our boys' swimwear comes in sizes 2 to 14. Use our detailed online size guide to find the ideal fit for your son. If the size doesn't work out, enjoy free returns within 30 days, completely hassle-free. We want shopping for boys' swimwear to be easy and enjoyable.

Also explore our other boys' collections

Boys' rash guards

Boys' one-piece swimsuits

All swimwear

Baby boy swimwear

Girls' swimsuits

Boy beach accessories