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Boys Swimwear

(31 products)

Boys swimwear for swim lessons, indoor pools and winter sun trips, from baby sizes up to youth XL (18-20Y). Hatley has the most styles: board shorts, swim trunks and short or long sleeve rashguards with shark, dino, whale and sea turtle prints, in 4Y to 10Y.

Deux par Deux adds dinosaur-print swim trunks from 6/12m, short sleeve rashguards, a one-piece long sleeve baby rashguard and a swim cap in 2/6 and 7/14. Under Armour has volley swim shorts in youth sizes 8Y to 18-20Y, a long sleeve swim set in 4Y–7Y and Core surf shirts.

Finish the beach bag with a kids beach towel and a sun hat from kids hats and caps. For babies, see baby boys swimwear, and for everyday warm-weather bottoms, shop boys shorts.

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Boys Swimwear FAQ

What sizes do boys swimsuits come in?

Boys swimwear runs from baby sizes up to youth XL. Hatley trunks, board shorts and rashguards come in 4Y to 10Y, Deux par Deux swim trunks start at 6/12m and rashguards go to 13/14, and Under Armour volley shorts run from YSM (8Y) to YXL (18-20Y).

What is the difference between board shorts, swim trunks and volley shorts?

It is mainly length and lining. Deux par Deux boardshorts sit at mid-thigh and its swim trunks sit above the knee. Hatley board shorts and swim trunks both have a mesh lining and drawcord waist, and the trunks add a faux fly and side pockets. Under Armour volley shorts have a built-in mesh brief and a looser, fuller cut.

Should my son wear a long-sleeve or short-sleeve rashguard?

Long sleeves cover more skin, while short sleeves feel lighter on hot days. Hatley makes both in 82% nylon and 18% spandex and lists them as UPF 50+. Deux par Deux short-sleeve rashguards and Under Armour Core surf shirts are listed as UPF 50+. Sunscreen and shade are still needed for uncovered skin.

Which boys swimwear is made for chlorinated pools and swim lessons?

Hatley lists its swim trunks and rashguards as chlorine- and saltwater-resistant and quick-drying. Under Armour volley shorts are listed as water-, salt- and chlorine-resistant. For lessons, Deux par Deux also makes a stretch swim cap in sizes 2/6 and 7/14. Rinsing suits in fresh water after the pool helps them last.

How should I wash boys swim trunks and rashguards?

Check each label, since care varies by brand. Deux par Deux recommends a cold machine wash, hanging to dry and no tumble dryer or bleach. Under Armour Triblock volley shorts can be machine washed cold and tumble dried low, and Hatley swimwear is listed as machine washable. Pack a kids beach towel and dry boys shorts for afterward.

Do you ship 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 5–10 business 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 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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