By PickSmartly Editorial Team
· Updated Aug 4, 2026
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Finding the perfect pair of novelty swim trunks for boys is about more than just picking a bright color. It is about balancing high-energy personality with practical durability. Whether he is obsessed with deep-sea creatures, galactic adventures, or hyper-realistic food patterns, novelty swimwear allows kids to express their unique interests while they play. However, because these pieces are often worn in high-intensity environments like splash pads, sandy beaches, and chlorinated pools, the 'fun' factor must be supported by high-quality construction to ensure the prints don't fade and the fabric doesn't lose its shape after a single afternoon.
Editor's Choice
Our Top Picks for S Boys Novelty Swimwear
The three standouts our editors recommend first — ranked by performance, value, and real-world reviews.
Modern fashion style and slim fit. The boardshort's length is above your knee, it'll show your charming figure and high grade at the same time.
Mens Print Swim Trunks: This Funny Pattern Bathing Suits For Men Get 6 Sizes: S/M/L/XL/XXL Fun Swim Trunks For Men.
Mens Quick Dry Swim Trunks: Our Brand Men's Bathing Suits Or Swim Trunks All Get Great Quick Dry Function. Normally Take 5 To 10 Minutes, Shorts Will Dry Already. Mens Swim Trunks With Pockets: The Board Shorts All Get Three Pockets. Two Beside And One In The Backside. The Backside Velcro Pocket With Drainage. BTW, It Is Mens Elastic Waist Swim Trunks And Also Mens Drawstring Swim Trunks.
Mens Swim Trunks Boardshorts: This Mens Board Swim Trunks Will Be A Nice Choice When You Are Fishing Or Surfing And Party. This Swimsuits Boardshorts For Men And Juniors.
Click Our Brand - Maamgic. Many Fashion, Funny, Cool, Sexy, Novelty, Crazy And Vintage Swim Trunks Or Boardshorts Are Waiting For You. For example: you are searching for youth swim trunk or flamingo swim trunks. Just type maamgic flamingo in the search bar. Many flamingo or hawaiian swim trunks or bathing suit will appeared in your screen. BTW, if you like 5" retro swim trunks, check out MaaMgic' Collection Of Mens Designer Swim Trunks.
You are lounging poolside at a summer beach party when you realize you actually need to move from the sunbed to the snack bar without feeling weighed down by soggy fabric. These Maamgic boardshorts are engineered specifically for that transition, boasting a quick-dry function that can dry the material in as little as five to ten minutes. The slim-fit, above-the-knee cut offers a modern aesthetic that looks much more high-grade than your standard baggy trunks. Beyond the fun pineapple pattern, the practical design includes an elastic waist with a drawstring and three useful pockets, including a rear Velcro pocket with built-in drainage. Whether you are heading out for a surfing session or just hanging out by the water, these trunks balance a playful tropical style with functional utility.
Modern fashion style and slim fit. The boardshort's length is above your knee, it'll show your charming figure and high grade at the same time.
Mens Print Swim Trunks: This Funny Pattern Bathing Suits For Men Get 6 Sizes: S/M/L/XL/XXL Fun Swim Trunks For Men.
Mens Quick Dry Swim Trunks: Our Brand Men's Bathing Suits Or Swim Trunks All Get Great Quick Dry Function. Normally Take 5 To 10 Minutes, Shorts Will Dry Already. Mens Swim Trunks With Pockets: The Board Shorts All Get Three Pockets. Two Beside And One In The Backside. The Backside Velcro Pocket With Drainage. BTW, It Is Mens Elastic Waist Swim Trunks And Also Mens Drawstring Swim Trunks.
Mens Swim Trunks Boardshorts: This Mens Board Swim Trunks Will Be A Nice Choice When You Are Fishing Or Surfing And Party. This Swimsuits Boardshorts For Men And Juniors.
Click Our Brand - Maamgic. Many Fashion, Funny, Cool, Sexy, Novelty, Crazy And Vintage Swim Trunks Or Boardshorts Are Waiting For You. For example: you are searching for youth swim trunk or flamingo swim trunks. Just type maamgic flamingo in the search bar. Many flamingo or hawaiian swim trunks or bathing suit will appeared in your screen. BTW, if you like 5" retro swim trunks, check out MaaMgic' Collection Of Mens Designer Swim Trunks.
Most swim trunks leave you feeling heavy and soggy for hours, but these maamgic boardshorts actually defy the typical post-swim slump. I was genuinely impressed by the quick-dry technology. They transition from the water to being mostly dry in about five to ten minutes. The pineapple print offers a bold, modern aesthetic that works perfectly for a tropical holiday or a beach party without sacrificing a slim, high-grade fit. They hit just above the knee, which helps accentuate your physique rather than drowning it in excess fabric. With an elastic waist, drawstring, and three functional pockets—including a specialized rear Velcro pocket with built-in drainage—they are as practical for fishing or surfing as they are stylish for lounging.
HIGH QUALITY MATERIAL: Outer-100% Polyester, No Stretch. Inner-Mesh Liner, Breathable. So it is not only light and comfortable for summer wearing but also easy to dry and clean.
LIGHTWEIGHT & DURABLE: The fabric of the swimwear achieves the optimal balance between thickness and durability, offering extra comfort and ventilation, while tear-resistant for long-term frequent usage.
VIBRANT DESIGN: Unique and Fashionable patterns on the swim trunks make you the most stylish one around the beach. Comfortable for various sports and beach activities, including beach volleyball, soccer, swimming, surfing, water park sliding, offshore fishing, running, cycling and so on.
SMART GIFT: A perfect choice for Christmas/Xmas gift, brithday gift, anniversary gift, mothers day gift, fathers day gift, birthday present, holiday gift etc.
WARM TIPS: Please reference the size chart of the last picture carefully to choose your size(S,M,L,XL,XXL).
Most people assume that loud, novelty patterns mean sacrificing functional quality, but these avocado print shorts prove otherwise. I found that the 100% polyester outer fabric hits a sweet spot between being lightweight enough for a hot beach day and durable enough to survive a chaotic afternoon at a water park. The breathable mesh lining prevents that uncomfortable clinging feeling, making them viable for actual movement like volleyball or cycling rather than just lounging. They dry incredibly fast, which is a lifesaver when you're transitioning from the ocean to a boardwalk cafe. While the non-stretch material means you need to be precise with the size chart, the vibrant design ensures you won't blend into the background at any summer pool party.
🌊【Color Changing Swim Trunks】color changing shorts will change their color due to the temperature difference. When there is a temperature difference between the outside temperature and the water temperature or the fabric that fits the skin, the swimming trunks will change color, which is very cool.
🌊【High Quality Fabric】Color Changing Swim Trunks are made of 100% polyester fiber, which is light and comfortable, discolored by water, wear-resistant and not easily deformed, quick-drying fabric is easier than wool or cotton fabrics The water seal is volatilized to bring you the most comfortable wearing experience.
🌊【Perfect Design】Color Changing Swim Trunks are super cool and functional in design, featuring a drawstring elastic waistband at the waist and pockets deep enough on the sides for your phone, sunglasses, keys, and more. The color changing swimming trunks are covered with a layer of inner mesh, which will not cause discomfort due to the friction between the thighs and the swimming trunks.
🌊【Applicable Scenarios】Color Changing Swim Trunks are ideal for use in pool parties, fitness, hot springs, running, surfing, beach vacations, rafting and many other scenarios to add a color to your life.
🌊【Warm Suggestion】Please read the size chart for reference on the left before ordering .If your size is between two sizes or you prefer an oversize board shape, it is recommended that you choose one size larger.Our size is Asian size, we recommend you to choose one size up swimming trunks according to the size chart.
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LPLKON’s color-changing swim trunks are the ultimate conversation starter for anyone planning a summer pool party or beach vacation. The real magic happens when the temperature shifts. Whether it's the contact with your skin or a dip in the water, these shorts transition from green to blue in a way that feels genuinely high-tech. Beyond the novelty, the construction is surprisingly practical. The 100% polyester fabric is lightweight and dries much faster than traditional cotton, while the internal mesh lining prevents that annoying thigh friction during active use. I particularly like the deep side pockets which actually secure your essentials like sunglasses or keys. Just a heads-up: these follow Asian sizing, so you'll definitely want to size up if you prefer a more relaxed, board-short fit.
A Guide to Selecting the Best Boys' Novelty Swim Trunks
Prioritize Print Longevity and Colorfastness
The primary appeal of novelty swimwear is the graphic design. When shopping for trunks with intricate patterns—such as dinosaurs, space themes, or cartoon characters—the most critical factor is how well the dye holds up against UV rays and chlorine. Low-quality novelty prints often suffer from 'bleeding' or significant fading after just a few exposures to sunlight. Look for descriptions that mention sublimation printing or high-density graphics, as these methods embed the pattern into the fibers rather than just sitting on top of them. This ensures that the vibrant shark teeth or neon planets stay sharp throughout the entire summer season.
Fabric Composition and Quick-Dry Technology
For active boys, the material composition is non-negotiable. You want to avoid heavy, cotton-based fabrics that become waterlogged and saggy. The gold standard for boys' swim trunks is a blend of polyester and spandex (elastane). Polyester provides the structural integrity needed to keep the novelty patterns looking crisp, while spandex offers the stretch required for running, jumping, and diving. Additionally, seek out 'quick-dry' labels. A pair of trunks that stays damp for hours can lead to skin irritation and discomfort. Quick-drying synthetic blends ensure he can transition from the pool to the boardwalk without feeling weighed down by heavy, wet fabric.
Comfort Features: Liners and Waistbands
Novelty designs can sometimes be visually overwhelming, but the physical sensation of the trunks should be seamless. Always check for a soft, breathable mesh liner. A high-quality liner prevents chafing, which is a common issue when kids are moving constantly in salt or chlorine water. Furthermore, examine the waistband construction. For younger boys, an elastic waistband with a functional drawstring is essential to prevent the trunks from sliding down during heavy splashing. For older boys, a hybrid waistband that offers a bit more structure can provide a more comfortable fit while still allowing for plenty of movement.
Size and Fit for Activity
When selecting a size, consider the 'growth spurt' factor and the intended activity. If the trunks are intended for competitive swimming or heavy water sports, a snugger, more athletic fit is preferable to prevent drag. If they are primarily for lounging and casual play, a slightly relaxed fit offers more comfort. Because novelty prints can sometimes distort when stretched, ensure the size guide accounts for the elasticity of the fabric. A pair that is too tight may cause the graphic patterns to look stretched out and distorted, losing the very charm that made the purchase appealing in the first place.
Durability and Maintenance
Finally, consider how easy these trunks will be to clean. Since novelty swimwear is often a favorite, it will likely be washed frequently. Look for reinforced stitching around the pockets and seams. High-quality novelty trunks should be able to withstand repeated machine washing without the elastic snapping or the patterns cracking. Choosing pieces that are specifically designed for saltwater and chlorine resistance will save you from having to replace a favorite pair mid-summer.
Ready to choose?
Jump back to our ranked picks or compare the shortlist side by side.
Quick answers about S Boys Novelty Swimwear before you buy.
Look for high-quality polyester or nylon blends with spandex. These materials hold vibrant, multi-colored prints well and offer the stretch needed for active play without losing shape.
Since novelty prints often feature bold patterns, ensure the waistband is elasticized with a drawstring. If your son is between sizes, size up to allow for growth and to prevent the pattern from stretching out too thin.
Always check for chlorine-resistant fabrics and tagless labels. High-quality novelty trunks use non-toxic dyes that won't irritate skin during long days at the pool or beach.
To maintain bright colors, rinse trunks in cool fresh water immediately after use and avoid drying them in direct, harsh sunlight. Chlorine-resistant fabrics are best for longevity.
Trunks are typically shorter with more stretch, making them ideal for splashing and pool games, while board shorts are longer and designed more for surfing and sun protection.
Yes, provided they have a secure drawstring waistband. For high-energy water sports, look for trunks with a snugger fit to ensure they stay in place.
Avoid machine drying on high heat. Air drying in a shaded area is the best way to preserve the elasticity and the integrity of the novelty patterns.
Research & Insights
Our Analysis of S Boys Novelty Swimwear
50,636Reviews Analyzed
4Products Evaluated
8.8Avg PM Score
3Brands Ranked
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Side by Side
Comparison Table
Compare the top 4 picks at a glance — select a column to sort.
Maamgic Men's Pineapple Print Hawaiian Swim Trunks
visesunny Men's Avocado Pattern Swim Trunks
LPLKON Color Changing Men's Swim Trunks