Do these trunks have a liner or do you need separate swim briefs?

These include a built-in mesh liner, so no separate swimwear is needed underneath. The liner is made from polyester-spandex blend and provides coverage without adding bulk.

How quickly do these dry compared to regular swim shorts?

The polyester-spandex shell dries faster than cotton or heavy board-short fabric. Most of the surface water shakes off, and the remaining moisture evaporates quickly, so they're noticeably less wet within minutes of leaving the pool or ocean.

Will the zipper pocket hold up in chlorinated pools?

The zipper is designed for swim use and handles regular chlorine exposure. Rinsing the trunks after swimming and following the care instructions—machine wash cold, tumble dry low—helps the hardware and fabric last through many pool sessions.

How does the sizing run for these swim trunks?

Sizing includes XS through XL to cover a wide range of boys' sizes. The four-way stretch fabric provides some flexibility in fit, and the elastic waistband with drawstring allows for adjustment. Checking the specific size chart ensures the best fit.

Can these be worn for activities other than swimming?

Yes, the quick-dry fabric and athletic fit make these suitable for beach play, water parks, or any activity that involves getting wet. The stretch material and secure pockets work well for active movement both in and out of the water.

The Color Blitz 49ers (Boys Lined Swim Trunk)

machine washable

The 3-second version

Four-way stretch fabric moves freely for swimming and active play
Quick-drying polyester shell and mesh liner minimize wet cling
Zipper back pocket keeps small essentials secure in the water
Requires size selection before purchase
Team branding is permanent design feature
Tumble dry low only to preserve stretch

Why it's on GiftsFeed

NFL 49ers swim trunks for boys with stretch fabric and mesh liner

Most kids' swim trunks choose between cheap mesh that falls apart by August or stiff board-short fabric that doesn't bend. These use actual stretch material—four-way, so it gives in every direction—and add a zipper pocket that survives cannonballs without dumping everything into the deep end.

The quick-dry shell means less time shivering in soggy fabric between the pool and the car, and the mesh liner doesn't bunch or chafe the way heavy linings do. For boys who swim often enough to wear out a pair in a season, the construction and pockets justify the step up from basic trunks.

Good gift when

Boys who swim regularly and need durable team-branded gear
Young 49ers fans who want sporty swimwear for pool or beach
Active swimmers who need pockets and stretch over basic trunks
Kids who cycle between water and dry activities throughout the day

Skip it if These require knowing the wearer's size, and the team branding limits appeal to 49ers fans or those comfortable wearing NFL graphics year-round.

Specs

Shell Fabric: 92% Polyester, 8% Spandex
Liner Fabric: 91% Polyester, 9% Spandex
Waistband: Elastic with built-in drawstring
Pockets: Two mesh side pockets, one zipper back pocket
Stretch: Four-way stretch
Sizes Available: XS, S, M, L, XL
Care: Machine wash cold, tumble dry low
Team Branding: San Francisco 49ers

What's included

One pair of swim trunks
Integrated mesh liner
Built-in drawstring

If you're giving it

You'll need their size

Requires size selection; arrives in standard retail packaging.

The details

These swim trunks combine NFL team graphics with technical fabric that moves and dries quickly. The shell is polyester with spandex for four-way stretch, so swimming, diving, and running around don't leave anyone tugging at bunched fabric. A mesh liner keeps things comfortable without adding bulk.

The elastic waistband includes a built-in drawstring for adjustment, and the fit accommodates a range of sizes from extra small through extra large. Two mesh side pockets drain water and hold small items, while a zipper back pocket secures anything that shouldn't wash away.

The shell fabric is 92% polyester and 8% spandex. The liner is 91% polyester and 9% spandex. Both dry faster than traditional swim shorts, so the transition from water to towel to dry clothes happens without long waits.

Machine wash cold and tumble dry on low. The construction and materials handle repeated washing without fading or losing stretch. The graphics are durable enough for regular pool chlorine and saltwater exposure.

Sizing runs from XS to XL to fit boys across a wide age range. The stretch fabric provides some give, but the drawstring ensures a secure fit even as kids grow between seasons.

Chubbies

The Color Blitz 49ers (Boys Lined Swim Trunk)

Team-branded swim shorts built with quick-dry material and roomy pockets

$69.50at chubbiesshorts.com

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Buy from Chubbies

Ships and sold by Chubbies. About this merchant

The 3-second version

Four-way stretch fabric moves freely for swimming and active play
Quick-drying polyester shell and mesh liner minimize wet cling
Zipper back pocket keeps small essentials secure in the water
Requires size selection before purchase
Team branding is permanent design feature
Tumble dry low only to preserve stretch

Cheaper alternatives

Questions

Do these trunks have a liner or do you need separate swim briefs?: These include a built-in mesh liner, so no separate swimwear is needed underneath. The liner is made from polyester-spandex blend and provides coverage without adding bulk.
How quickly do these dry compared to regular swim shorts?: The polyester-spandex shell dries faster than cotton or heavy board-short fabric. Most of the surface water shakes off, and the remaining moisture evaporates quickly, so they're noticeably less wet within minutes of leaving the pool or ocean.
Will the zipper pocket hold up in chlorinated pools?: The zipper is designed for swim use and handles regular chlorine exposure. Rinsing the trunks after swimming and following the care instructions—machine wash cold, tumble dry low—helps the hardware and fabric last through many pool sessions.
How does the sizing run for these swim trunks?: Sizing includes XS through XL to cover a wide range of boys' sizes. The four-way stretch fabric provides some flexibility in fit, and the elastic waistband with drawstring allows for adjustment. Checking the specific size chart ensures the best fit.
Can these be worn for activities other than swimming?: Yes, the quick-dry fabric and athletic fit make these suitable for beach play, water parks, or any activity that involves getting wet. The stretch material and secure pockets work well for active movement both in and out of the water.