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Top 10
July 2025
Best Toddler Boy Swim Trunks 4t
We made a list of the top 10 Toddler Boy Swim Trunks 4t based on verified reviews, popularity and other factors which we summarized for you in this list.
Best Choice
1
Simple Joys by Carter's Boys' Swimsuit Trunk and Rashguard Set, Black/Sky Blue Whales, 4T
Simple Joys by Carter's
9.6
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2-Piece Swim Set: Includes a rashguard top and matching swim bottoms, providing a complete and coordinated beach or pool outfit for easy styling.
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Versatile Sleeve Options: Available in both long and short sleeve options, giving flexibility to match different weather conditions and levels of sun protection.
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Fun Prints and Vibrant Colors: Features a variety of playful patterns and bright colors to keep your child looking stylish and excited to wear, perfect for summer vibes.
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Tagless Design: The tagless interior ensures a soft, irritation-free experience, keeping your child comfortable for hours of fun.
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UPF 50 Protection: Crafted with built-in UPF 50+ protection, helping shield sensitive skin from harmful UV rays, so they stay safe and comfortable outdoors.
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Quick-Dry Fabric: Made from lightweight, quick-drying materials to keep kids comfortable in and out of the water and reduce chill.
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Durable and Fade-Resistant: Designed to withstand sun, sand, and chlorine exposure, with high-quality materials that maintain their vibrant look and shape over time.
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OEKO-TEX Certified: Made from materials that meet the OEKO-TEX Standard 100, ensuring they are safe for delicate skin.
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2
Marvel Spider-Man Toddler Boys Swim Trunks Bathing Suit Blue/Red 4T
Marvel
9.5
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Officially licensed Marvel Avengers toddler boys cute and stylish swimming shorts bottoms
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Awesome sublimation print design; UPF 50+ material for UVB and UVA protection and worry-free sun time; Mesh-lined swim shorts; Drawstring closure; Elastic waist for better fit; Pull on closure
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Stylish kid's board shorts bathing suit with a comfortable fit and easy-to-dress design; youth fashion swimwear made from material that protects your child from the sun and is safe on skin
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Quick drying children’s swim trunks with cute and fun character designs; a durable summer essential that your active little boy can’t wait to wear in the water at the beach or pool
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Perfect for birthday gift, warm summer days, outdoor play, party outfit, swimming at the pool and beach and playing in the sun, sand and water
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5% Discount
3
Gerber Boys' Standard Toddler 2-Pack Swim Trunks, Orange Surf
Gerber
9.4
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UPF 50+ fabric to protect against harmful rays
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Fast-drying material to protect against rashes from water play
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Comfort-stretch waistband
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Blue swim trunks with surf board pattern
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Solid orange swim trunks
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4
Gymboree,Boys,and Toddler Swim Trunks,Acapulco Dinos,4T
Gymboree
9.3
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FABRICATION: 100% recycled polyester satin, 100% recycled polyester mesh lining, imported
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FIT & DESIGN: Pull-on elasticized waist with functional drawstring
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FEATURES: Surfing dino print, UPF 50+ sun protection
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21% Discount
5
Kanu Surf Boys' Echo Quick Dry UPF 50+ Beach Swim Trunk, Victor Navy/Orange, 4T
Kanu Surf
9.2
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UPF 50+ Quick Dry Microfiber: Our boys swim shorts are lightweight and durable, and will be your most comfortable pair of boys swim trunks
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Side Seam Pockets in these swimming trunks for boys give plenty of options for storage
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Wide range of sizes available from toddler swim trunks to teenage boy swim trunks (available in Boys Sizes 2T through 20). Matching prints available in Mens Sizes S-XXL so dads and kids can hit the beach as a team
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Triple Needle Side Seams and Rises on our boys quick dry shorts make Kanu Surf swimming trunks and bathing suits among the highest quality you will own
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This swimming suit for boys is equipped with a comfortable mesh lining, providing breathability, support, and comfort for all-day wear
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13% Discount
6
The Children's Place Boys' and Toddler Swim Trunk and Short Sleeve Rashguard 2-Piece Set, Dino Beach Day, 4T
The Children's Place
9.1
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✓
SWIMSUIT — The cutest swimsuit for beach days or hanging by the pool.
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FABRIC — Rashguard made of 86% recycled polyester/14% spandex jersey. Swim trunks made of 100% recycled polyester twill; lining made of 100% polyester mesh. UPF 50+ (the highest possible rating) blocks 98% of harmful rays!
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RASHGUARD — Features short sleeves, crew neck and graphic design at front
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SWIM TRUNKS — Features pull-on elasticized waistband with functional drawstring, side vents at hem and allover print
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THE CHILDREN'S PLACE — We offer a huge selection of kid's clothing! Shop us for jeans, shorts, leggings, chinos, polo shirts, dresses, pajamas, and accessories.
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7
Disney Cars Lightning McQueen Toddler Boys UPF 50+ Swim Trunks Blue/Red 4T
Disney
9.0
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✓
Officially licensed Disney Lightning McQueen toddler boys swimming shorts bottoms
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Awesome sublimation print design; UPF 50+ material for excellent UVB and UVA sun protection and worry-free sun time; Mesh-lined swim shorts; Elastic waist for comfortable stretch and a better fit; Drawstring closure for a secure and comfy fit; Quick dry; Vibrant Colors
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Stylish kid's board shorts bathing suit with a comfortable fit and easy-to-dress design; youth fashion swimwear made from material that protects your child from the sun and is safe on skin
✓
Quick drying children’s swim trunks with cute and fun character designs; a durable summer essential that your active little boy can’t wait to wear in the water at the beach or pool
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Perfect for birthday gift, Christmas holiday gift, outdoor play, playing in the sun, sand and water, swimming at the pool and beach, vacation and warm summer days
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32% Discount
8
Resiprolty 4T Toddler Swim Trunks with Compression Liner Quick Dry Toddler Bathing Suits Boys Swim Shorts Swimsuit Boy Kids Swimwear Blue Shark
Resiprolty
8.9
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✓
Compressed Lining: Toddler swim trunks adopt the latest tight fitting flat corner underwear design, which fits well but is not tight, very smooth and elastic, can prevent sand from sticking to the skin, reduce friction, and provide additional support and protection when children play
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Soft & Quick Dry: The toddler swimsuit boy is made of high-quality polyester fiber, which has the characteristics of quick drying, lightness, and breathability, and can effectively block UV damage. It can uickly restore dryness after being soaked in water, keeping it refreshing
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Elastic Waistband: Our toddler boy bathing suit have a drawstring at the waist that can be flexibly adjusted for elasticity, suitable for most body types, and will not sag or slip off. The two sides are designed with pockets for storing important items
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Fashion Printing: The unique print pattern on toddler boy swimwear and the high-tech 3D printed coconut tree pattern are novel and bright, durable, and do not fade, allowing your child to find their own unique style and showcase infinite childlike fun
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Various Occasions: These toddler boys swim trunks are designed fashionably and are perfect for swimming, summer beaches, water parks, pool parties, sports or training. They are an ideal choice for summer outings and can also be used as home or casual wear
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25% Discount
9
AlisOker 2 Pack Toddler Boys Swim Trunks UPF 50+ Swim Shorts with Mesh Liner Boy Stretch Suit Swimsuit
AlisOker
8.8
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✓
Premium Fabric: Made from 97% polyester and 3% spandex, the boys UPF 50+ swim shorts provide reliable protection by keeping your boy from being exposed in strong sunlight, so boys can play in the sun for hours without worrying about being sunburnt
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Thoughtful Design: Features an elastic waistband with adjustable drawstring for a great fit; the dual side pockets and back pocket allow kids to store treasures like seashells and stones, creating unforgettable memories
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Various Size: The toddler boys swim trunks come in different sizes for you; for sturdy children, it is recommended to choose one size larger; the lightweight, quick-dry fabric with a silky smooth mesh lining keeps breathability and avoids discomfort
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Wonderful Gift Idea: These stylish and comfortable toddler boys swimsuits showcase trendy designs, making them an ideal summer gift, great for boys to run freely on the beach while enjoying their fashionable look
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Wide Range of Use: With fun patterns and vibrant colors, our boys UPF 50+ swim shorts are suitable for multiple activities, including walking, running, swimming, surfing, playing, rafting, or just lounging at the beach or at home
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10
AMIYAN Boys Swim Trunks Toddler Swim Board Shorts Quick Dry Beach Swimwear Trunks Shorts Bathing Bottom for Boy Black Dinosuar XL 4-5T
AMIYAN
8.7
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✓
High Quality: Boys swim trunk is made of 82% nylonand 18% elastane, super smooth and skin-friendly. The swim bottom for boy is lightweight, comfortable and quickly dry, which can bring your boy a wonderful time.
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Unique Design:Boys swim shorts is extremely durable and breathable, feature elastic waistband and silky mesh lining. Sun-blocking fabric provides UPF 50+ to protect your boy keep away from the harmful ultraviolet rays.
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Fashion Style:Toddler swim shorts with cute cartoon prints. These boys beach swim shorts are short and above the knee, they will make your style come alive with its unique patterns. 2t swim trunks, 3t swim trunks, 4t swim trunks, 5t swim trunks, 6t swim trunks, 7t swim trunks, 8t swim trunks are available for you.
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Occasion: Boys board shorts are suitable to wear anywhere such as for walking, running, swimming, surfing, playing, drifting, in the beach or lounging at home etc.This is a perfect gift for your child for daily life and coming festivals
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Garment Care: Please refer to the size chart when purchasing. Machine or hand wash with cold water, air dry, do not bleach. Colors may vary slightly on different monitors.
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