Baby boy (0-24 months) swimwear

Baby boy swimsuits made from UPF 50 fabric

SwimZip's entire line of sun protective swimwear is made from high quality-UPF 50+ rated fabric. Keep your baby boy safe from the sun and splashing in style this summer.

What is UPF?

Ultraviolet protection factor (UPF) is a rating system that measures a fabric's ability to block UV rays from reaching the skin. UPF ratings range from 15 to 50+, with higher numbers indicating greater protection.

Fabrics with a UPF rating of 50+ block at least 98% of UV rays, while those with a rating of 30 block about 96.7%. The American Academy of Dermatology recommends choosing clothing with a UPF rating of 30 or higher for optimal sun protection.

All our sun-protective swimwear features UPF 50+ fabric, which offers the highest level of protection available. This tight-weave, stretchy fabric allows less than 2% of UV radiation to pass through, which significantly reduces the risk of sunburn and skin damage for your baby's delicate skin.

Why is sun protection important?

Sun protection is important for everyone, especially babies, as their delicate skin is very vulnerable to the harmful effects of UV rays. Babies have thinner, more sensitive skin than adults, and are more susceptible to sunburns and skin damage. A baby's skin also has less melanin, the pigment that provides some natural protection against UV rays.

Overexposure to the sun's UV rays can lead to painful sunburns, sun poisoning, skin irritation, and even heat exhaustion in babies. In the long term, excessive sun exposure during childhood can significantly increase the risk of developing skin cancer later in life.

To protect your baby boy from the sun's harmful rays, use a combination of sun protection measures:

Dress your boy in protective clothing, such as long-sleeve baby rash guards and wide-brimmed hats
Keep your baby in the shade, especially during peak sun hours (10 am to 4 pm)
Apply a baby-safe, broad-spectrum sunscreen with an SPF of at least 30 to exposed skin
Regularly hydrate your boy to prevent heat exhaustion

Baby boy rash guards

Rash guards are lightweight, tightly woven shirts that provide excellent UV protection for delicate skin. They allow babies to enjoy water activities while minimizing the risk of sunburn and skin damage.

Our collection offers both long-sleeved and short-sleeved rash guards for baby boys. The long-sleeved options offer comprehensive coverage, shielding arms and torso from harmful rays. The short-sleeved styles balance sun protection and freedom of movement for active baby boys.

Crafted with high-quality, breathable fabrics, these rash guards prioritize comfort alongside their protective properties. The easy slip on and off makes dressing for beach or pool days easy. With vibrant colors and adorable prints, your little guy will look stylish while staying sun safe.

Baby boy sunsuits

Sunsuits are the ultimate one-piece sun protection for little ones. These lightweight garments provide full-body coverage and are made from tightly woven, UV-blocking fabrics.

Our baby boy sunsuits prioritize comfort alongside protection. The soft, stretchy materials allow unrestricted crawling, wiggling, and play. Zippers down the front enable easy dressing and diaper changes.

From bright solids to playful patterns, these sunsuits keep your little guy looking adorably beach-ready while protecting his delicate skin. The long sleeves and full-length legs create a protective barrier against harsh sun rays.

Whether splashing in the waves or exploring the great outdoors, these one-piece wonders are perfect for carefree sunny days. Simply suit up your baby boy and let him freely enjoy sunshine-filled adventures without worry.

Our baby boy sunsuits include the following features:

Nearly full coverage with long sleeves and ankle-length legs for most kids
Full-length zipper for easy-on and easy-off
Neck collar for extra sun protection
Anti-chafe zipper garage
Zipper guard behind the zipper protects the skin from a hot zipper and rubbing
Tagless neck for anti-itch comfort
Big zipper pull makes it super easy for your toddler to zip up themselves

Baby boy sets

Keep your little swimmer stylin' and safe with our short-sleeved rash guard and swim trunk sets. These coordinated outfits combine breathable UV protection with the freedom of movement little ones need.

The rash guard tops feature short sleeves that still cover those tiny shoulders from the sun's intense rays. Made from smooth, lightweight fabrics, they offer maximum comfort in and out of the water. Fun patterns and vibrant hues make them as eye-catching as they are functional.

Paired with the rash guards are swim trunks in complementary colors and prints. An elastic waistband ensures a snug, secure fit that won't slip off during active play. Whether your baby is splashing in the pool or digging in the sand, the swim trunks allow uninhibited motion.

These perfectly coordinated two-piece sets take the guesswork out of beach and pool attire. Your little guy will be all set to soak up some sun (safely, of course!) in sporty rash guard style. Dressing for aquatic adventures is a breeze with these ready-to-go outfits.

Baby boy swim bottoms

Whether your little fish prefers classic trunks or sporty shorties, our collection of baby boy swim bottoms is the perfect pick for making a splash.

Baby swim pants

Keep it simple yet stylish with our baby boy's swim pants. An elasticized waistband provides a comfy, secure fit that won't slip off during water play. Choose from vibrant solids, fun prints, or classic stripes—all in durable, quick-drying fabrics. Pair them with a rash guard top for full-coverage sun protection.

Euro swim shorties

For a sportier look, check out our euro swim shorties for baby boys. These lightweight, form-fitting shorts provide more coverage than traditional trunks while still allowing unrestricted movement. The longer inseam won't ride up during active days at the beach or pool. With moisture-wicking fabrics and breathable mesh liners, these shorties keep little ones comfortable and dry.

From vibrant color blocks to tropical prints, our shorties make a stylish statement suited for any fun-in-the-sun activity. Easy pull-on styling makes dressing a breeze. Whether hitting the waves or splashing in the kiddie pool, these euro-inspired bottoms are the perfect sunny-day pick.

Why choose SwimZip for baby boy swimwear?

When it comes to keeping your baby boy safe and stylish in the sun, SwimZip has you covered. Our swimwear collection combines practical sun protection with adorable, on-trend designs.

Here are just a few reasons to suit up with SwimZip:

UPF 50+ protection. Our tightly woven fabrics act as an effective barrier against harmful UV rays, safeguarding delicate skin.
Versatile sizing. Available in sizes from 0-3 months up to 18-24 months, you'll find the perfect swimwear fit for your little one at every stage.
Quick-drying materials. Lightweight, fast-drying fabrics keep your baby comfy whether in or out of the water.
Easy on and off. Convenient snaps, zippers, and pull-on styling make dressing and outfit changes a breeze.
Vibrant prints and colors. From trendy patterns to vivid solids, our swimwear keeps babies looking beach-ready and adorable.
Maximum mobility. 4-way stretch fabric allows unrestricted movement.
Mix and match options. Coordinate rash guards with swim trunks or shorties to create endless warm-weather looks.

With SwimZip, you can dress your little guy for summer fun with confidence. Our high-quality, thoughtfully designed swimwear makes safety and style a priority.

What swimwear accessories do you offer for baby boys?

Complete your little one's sun-ready look with our protective swimwear accessories. From stylish sunglasses to shade-providing hats, we have everything to keep your baby comfortable and safeguarded.

Baby sunglasses with UV protection

Shield those precious eyes from glare and UV rays with our adorable baby sunglasses. The durable frames and shatterproof lenses provide reliable protection during outdoor adventures. Fun colors and designs make these shades as fashionable as they are functional.

Baby sun hats

Keep the sun off your little guy's face and neck with our assortment of baby sun hats:

Wide brim hats. The extra-wide brims create a big shadow for maximum coverage.
Flap hats. Neck flaps extend down for added sun blockage.
Adventure hats. Adjustable straps and mesh panels enhance breathability.
Baseball caps. Classic styling with a curved visor to shade the face.

Whether hitting the beach or just enjoying the backyard, these swimsuit accessories ensure your little one stays comfortably shielded. Mix and match hats and shades with our baby swimsuit collection for a complete sun-smart warm-weather wardrobe.

Which sizes do you offer for baby boys?

Our baby boy swimwear collection has sizing options to fit your little one at every stage, from newborn up to 24 months.

Newborn (0-3 months)

For the newest arrivals, our snug-fitting newborn swimsuits in size 0-3 months allow babies to make a splash in style and security right from the start.

Infant (3-6 months, 6-12 months)

As your baby begins moving and grooving, our 3-6 month and 6-12 month sizes provide a bit more wiggle room while maintaining a comfy fit.

Toddler (12-18 months, 18-24 months)

Once your toddler boy is really on the go, our 12-18 month and 18-24 month sizes allow for maximum mobility. The stretchy, durable won't restrict crawling, waddling, or those first steps.

Each swimsuit, rash guard, and swim trunk is carefully sized for the perfect fit during your baby's key developmental stage. From snap closures to elasticized waists, we've thought through every detail to make getting swim-ready easier. Simply pick the right size for your little one's age, and he'll be all set to make a splash.

Baby boy swimwear FAQ

What do boys wear under swim trunks?

Boys don’t need to wear anything under swim trunks. Many swim trunks have a built-in lining.

Can a 3-month old baby go swimming?

Babies as young as 3 months old can go swimming with proper precautions. Make sure to use swim diapers, watch the baby closely, and never submerge an infant's face or head underwater. With close supervision, swimming can be an enjoyable bonding experience.

Can a newborn baby wear a swimsuit?

Newborn babies can wear swimsuits. Look for soft, stretchy one-piece suits that provide gentle compression and full coverage. SwimZip offers adorable newborn styles with features like snaps or zippers for easy changing.

Are there one-piece swimsuits for toddler girls?

One-piece swimsuits are very common options for toddler girls. These can range from basic tank suit styles to more fashion-forward designs with ruffles, color-blocking, or prints. One-piece swimsuits for girls allow for easy movement while keeping their belly covered during active play.

What should newborn babies wear at the beach?

For newborns at the beach, lightweight one-piece swimsuits or rash guards paired with sun hats and baby sunglasses are ideal. The dense swimsuit fabrics provide great sun protection. You'll also want swim diapers or plastic pants to keep accidents contained.

Why do baby boy swimsuits have netting?

The netting or mesh liners in baby boy swimsuits serve two key purposes—they provide an extra layer of sun protection filtration and help the suit dry faster after swimming or getting wet. This breathable inner layer helps prevent chafing while wicking away excess moisture.

What is the difference between board shorts and swim trunks?

Board shorts are longer, baggier shorts originally designed for surfing. Swim trunks have a shorter, more fitted cut intended just for swimming. Board shorts allow for more coverage and mobility on land, while swim trunks minimize drag and resistance in the water.

Do swim diapers really work?

Swim diapers provide some leak protection when babies go swimming. They have snug, form-fitting shapes with waterproof outer layers to contain most solids. But they won't prevent all leaks, so close monitoring is still required during water activities.

What's the difference between a toddler trunk and regular swim shorts?

Toddler trunks and swim shorts are both types of swimwear bottoms, but trunks tend to have a more fitted, snug cut for maximum mobility during water play. Swim shorts are typically longer and baggier. Trunks have a streamlined fit that minimizes drag and resistance when swimming.

Do all baby boy bathing suits provide equal sun protection?

Not all baby boy bathing suits offer the same level of sun protection. Suits specifically labeled as rash guards or sun-protective swimwear are made from tightly woven fabrics that block harmful UV rays. Look for suits with a UPF rating of 50+ for the best sun defense.