Best S Boys Swim Trunks in 2026

Daisy
Last Updated: Jul 18, 2026

At a Glance: Our Top Picks for S Boys Swim Trunks

GAP Baby-Boys Swim Trunk Blue Shade 6-12M
#TOP1
Gap Baby-Boys Swim Trunk Blue Shade 6-12M
5.9
PM SCORE
GAP Boys Swim Trunk Blue Shade XXL
#TOP2
Gap Boys Swim Trunk Blue Shade Xxl
5.7
PM SCORE
GAP Baby-Boys Swim Trunk Blue Shade 12-18M
#TOP3
Gap Baby-Boys Swim Trunk Blue Shade 12-18M
5.5
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best S Boys Swim Trunks of 2026

Market Overview
S Boys Swim Trunks Reviewed
  • Reviews Analyzed: 148 Items
  • PM Avg. Rating: 5.2 / 10
9 Products Evaluated
  • Highest Price: $23.90
  • Lowest Price: $12.00
  • Avg. Price: $17.30

Gap Baby-Boys Swim Trunk Blue Shade 6-12M

GAP
565285
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

PROTECTIVE: This Swim Trunk features a UPF 50+ sun protection rating and quick-drying fabric, making it perfect for all-day fun at the beach

COMFORTABLE: Adorable and stylish, the Swim Trunk is made with a soft and stretchy waistband for ultimate comfort during swim time

GIFT-REGISTRY READY: Our baby essentials make perfect baby shower gifts for new moms, new dads, or growing families

MACHINE WASHABLE: Easy to care for, our baby clothes and accessories can be washed with like colors on the gentle cycle

GAP FOR THE WHOLE FAMILY: Our baby apparel and kids clothing is designed to be inclusive with fits and styles that every child can feel comfortable in

Gap Boys Swim Trunk Blue Shade Xxl

GAP
559290
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

STYLISH AND PROTECTIVE: Available in various prints to add a pop of color to your boy's swimwear collection, with UPF 50+ for excellent UV protection

COZY AND COMFORTABLE: Made with an easy pull-on waist, these swim trunks are soft and breathable for a comfortable fit

QUICK DRYING FABRIC: Made with quick-drying fabric, perfect for pool and beach activities, ensuring maximum comfort and protection for your little guy

MACHINE WASHABLE: Easy to care for, our baby clothes and accessories can be washed with like colors on the gentle cycle

GAP FOR THE WHOLE FAMILY: Our baby apparel and kids clothing is designed to be inclusive with fits and styles that every child can feel comfortable in

Gap Baby-Boys Swim Trunk Blue Shade 12-18M

GAP
565285
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

PROTECTIVE: This Swim Trunk features a UPF 50+ sun protection rating and quick-drying fabric, making it perfect for all-day fun at the beach

COMFORTABLE: Adorable and stylish, the Swim Trunk is made with a soft and stretchy waistband for ultimate comfort during swim time

GIFT-REGISTRY READY: Our baby essentials make perfect baby shower gifts for new moms, new dads, or growing families

MACHINE WASHABLE: Easy to care for, our baby clothes and accessories can be washed with like colors on the gentle cycle

GAP FOR THE WHOLE FAMILY: Our baby apparel and kids clothing is designed to be inclusive with fits and styles that every child can feel comfortable in

Gap Baby Boys Bathing Suit Infant-And-Toddler-Swim-Trunks, Killer Tomato, 6-12 Months Us

GAP
507143
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

SWIMWEAR THAT MAKES A SPLASH: Perfect for a day at the beach or a dip in the pool these easy pull-on swim trunks are essential for having fun in the sun

UPF 50+ SUN PROTECTION: This bathing suit has built-in sun protection and is made with a quick drying twill weave

MACHINE WASHABLE: Easy to care for these clothes can be washed with like colors on the gentle cycle

GAP FOR THE WHOLE FAMILY: This baby boy apparel and kids clothing is designed to be inclusive with fits and styles for the entire family

AMERICAN STYLE FOR ALL AGES: Gap champions a uniquely optimistic sense of American style that bridges the gaps between individuals generations and cultures

Gap Boys Swim Trunk Ballerina Blue 12-18M

GAP
507143
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

SWIMWEAR THAT MAKES A SPLASH: Perfect for a day at the beach or a dip in the pool these easy pull-on swim trunks are essential for having fun in the sun

UPF 50+ SUN PROTECTION: This bathing suit has built-in sun protection and is made with a quick drying twill weave

MACHINE WASHABLE: Easy to care for these clothes can be washed with like colors on the gentle cycle

GAP FOR THE WHOLE FAMILY: This baby boy apparel and kids clothing is designed to be inclusive with fits and styles for the entire family

AMERICAN STYLE FOR ALL AGES: Gap champions a uniquely optimistic sense of American style that bridges the gaps between individuals generations and cultures

Gap Boys Swim Trunk Blue Shade L

GAP
559290
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

STYLISH AND PROTECTIVE: Available in various prints to add a pop of color to your boy's swimwear collection, with UPF 50+ for excellent UV protection

COZY AND COMFORTABLE: Made with an easy pull-on waist, these swim trunks are soft and breathable for a comfortable fit

QUICK DRYING FABRIC: Made with quick-drying fabric, perfect for pool and beach activities, ensuring maximum comfort and protection for your little guy

MACHINE WASHABLE: Easy to care for, our baby clothes and accessories can be washed with like colors on the gentle cycle

GAP FOR THE WHOLE FAMILY: Our baby apparel and kids clothing is designed to be inclusive with fits and styles that every child can feel comfortable in

Gap Boys Swim Trunk Blue Floral Xxl

GAP
559290
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

STYLISH AND PROTECTIVE: Available in various prints to add a pop of color to your boy's swimwear collection, with UPF 50+ for excellent UV protection

COZY AND COMFORTABLE: Made with an easy pull-on waist, these swim trunks are soft and breathable for a comfortable fit

QUICK DRYING FABRIC: Made with quick-drying fabric, perfect for pool and beach activities, ensuring maximum comfort and protection for your little guy

MACHINE WASHABLE: Easy to care for, our baby clothes and accessories can be washed with like colors on the gentle cycle

GAP FOR THE WHOLE FAMILY: Our baby apparel and kids clothing is designed to be inclusive with fits and styles that every child can feel comfortable in

Gap Boys Bathing Suit Fashion-Swim-Trunks, Phosphorus, Large Us

GAP
516085
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

SWIMWEAR THAT MAKES A SPLASH: Perfect for a day at the beach or a dip in the pool, these easy pull-on swim trunks are essential for having fun in the sun

UPF 50+ SUN PROTECTION: This bathing suit has built-in sun protection and is made with a quick drying twill weave

MACHINE WASHABLE: Easy to care for, these swimsuit shorts can be washed with like colors on the gentle cycle

GAP FOR THE WHOLE FAMILY: This baby apparel and kids clothing is designed to be inclusive with fits and styles for the entire family

AMERICAN STYLE FOR ALL AGES: Gap champions a uniquely optimistic sense of American style that bridges the gaps between individuals, generations, and cultures

Gap Boys Swim Trunk Blue Shark Xl

GAP
559290
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

STYLISH AND PROTECTIVE: Available in various prints to add a pop of color to your boy's swimwear collection, with UPF 50+ for excellent UV protection

COZY AND COMFORTABLE: Made with an easy pull-on waist, these swim trunks are soft and breathable for a comfortable fit

QUICK DRYING FABRIC: Made with quick-drying fabric, perfect for pool and beach activities, ensuring maximum comfort and protection for your little guy

MACHINE WASHABLE: Easy to care for, our baby clothes and accessories can be washed with like colors on the gentle cycle

GAP FOR THE WHOLE FAMILY: Our baby apparel and kids clothing is designed to be inclusive with fits and styles that every child can feel comfortable in

Top 10 boys swim trunks Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Gap 9

Top 10 boys swim trunks Brands Pie Chart


We've carried out a comprehensive analysis of 148 reviews on boys swim trunks, using our selection criteria to identify the best options in the boys' fashion. Our findings reveal that most customers typically select boys swim trunks priced around $17.30, with top brands including kanu surf, the children's place, maamgic, ruggedbutts, amazon essentials, sunnywoo, hurley, body glove and nautica and sloosh

Our team of expert editors reviewed these high-quality items and handpicked the top 9 boys swim trunks for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the boys' fashion category. These include amazon.com, swim time usa, baohui fashion store, rufflebutts, sunnywoo, lucky 21, joyindirect, zappos and lucky comics and ly tech .

We are dedicated to assisting our users in finding the right trunks Products based on their needs, saving them considerable time when choosing which boys swim trunks to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.