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Baby Boys Swimwear

(21 products)

From a first swim class to a splash in the backyard pool, baby boys can wear one-piece swim rompers, rashguard swimsuits, swim trunks or rashguard-and-shorts sets. Most run 0-3 or 3-6 months to 18-24 months, and a few Deux par Deux pieces go on into kids sizes.

Petit Lem has printed swim rompers, including long-sleeve styles, and two rashguard and swim shorts sets. Hatley offers one-piece rashguard swimsuits in shark, dinosaur, tropical ocean and whale prints. Miles The Label adds printed and color-block swim rompers, and Deux par Deux has dinosaur-print swim trunks, a short-sleeve rashguard and a long-sleeve one-piece rashguard.

Between dips, a hooded towel from our kids beach towel collection keeps him wrapped up, and hats and caps for kids help shade his head outdoors. If an older brother swims too, boys swimwear continues up to youth XL, while a baby sister will find swimsuits and rashguard sets in baby girls swimwear.

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Baby Boys Swimwear FAQ

What kinds of swimwear work for baby boys?

There are four main styles: swim rompers from Petit Lem and Miles The Label, long-sleeve one-piece rashguard swimsuits from Hatley, Deux par Deux swim trunks and rashguards, and Petit Lem rashguard and swim shorts sets. One-piece styles stay put on crawlers, while separates are easier to mix and match.

What sizes do baby boy swimsuits come in?

Most run up to 18-24M. Some Petit Lem and Miles The Label swim rompers start at 0-3M, and Hatley one-piece rashguards run 3-6M to 18-24M. A few Deux par Deux pieces, including some swim trunks and short-sleeve rashguards, continue into kids sizes up to 11/12, so brothers can match through boys swimwear.

How do baby boy swimsuits open for changes?

Hatley baby rashguard swimsuits open with a back zipper plus a snap inseam. Petit Lem and Miles The Label swim rompers zip at the front from the neckline, and a Deux par Deux one-piece rashguard has a front zipper. A zip that opens wide makes it easier to peel off a wet suit after the splash pad.

Are baby boy swimsuits rated for sun protection?

Many list a UPF rating. Hatley one-piece rashguards are listed as UPF 50+, Petit Lem and Miles The Label rompers list UPF 50+ fabric, and a Deux par Deux short-sleeve rashguard and its baby beach hats are listed as UPF 50+. Ratings apply only to covered skin, so shade and a brimmed hat still matter for babies.

What are baby boy swimsuits made of, and how do I care for them?

Petit Lem and Miles The Label rompers are 80% recycled nylon with 20% elastane, Hatley baby rashguards are 82% nylon and 18% spandex, and Deux par Deux uses recycled polyester with elastane. Deux par Deux recommends washing cold, hanging to dry and skipping the dryer and bleach. A kids beach towel keeps him wrapped up between dips.

Do you ship Baby Boys Swimwear to Canada and the US?

Yes. Every order ships from Canada, usually within 1–3 business days, with an estimated delivery time of 6–10 days within Canada and 8–15 days to the US. Shipping is free on orders of $160 CAD or more in Canada and $160 USD or more in the US; smaller orders ship for a flat $15.95 CAD or $10.95 USD. US shoppers see prices in US dollars, and US orders are subject to customs duties and taxes, which are paid by the customer. See our shipping policy for details.

Can I return Baby Boys Swimwear items?

Yes, within 14 days of receiving your order. Contact us before sending anything back; items must be unworn and unused, with tags and original packaging, and return shipping is paid by the customer. Full details are in our return and refund policy.

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