Do these swim trunks have a built-in liner or do I need separate underwear?

They include a built-in mesh liner made from polyester-spandex blend, so you don't need separate underwear. The liner provides structure and comfort without adding bulk.

Will the zipper back pocket keep my car key dry?

The zipper keeps items secure, but these are swim trunks designed to get wet—water will enter the pocket. The zipper prevents items from falling out when you're swimming or moving, not from getting wet.

How does the sizing run compared to typical men's swim trunks?

The four-way stretch fabric accommodates a range of sizes within each category. If you're between sizes or prefer a looser fit, consider sizing up; if you want a closer, more athletic fit, stick with your usual size.

Can I wear these as casual shorts when I'm not swimming?

Yes, the quick-dry fabric and classic trunk cut work for warm-weather casual wear. The mesh side pockets and shorter inseam look and feel like swim trunks, but many people wear them as everyday shorts in summer.

How quickly do these dry compared to regular board shorts?

The polyester-spandex shell dries noticeably faster than cotton or heavier board short fabric. Expect them to go from soaked to damp in under an hour of air-drying, and mostly dry within two to three hours depending on conditions.

The Color Blitz Dolphins 5.5" (Classic Lined Swim Trunk)

machine washable

The 3-second version

Four-way stretch shell flexes with movement in and out of water
Quick-drying polyester-spandex blend sheds moisture faster than cotton
Mesh-backed side pockets drain water and zipper secures back storage
5.5-inch inseam sits above mid-thigh
Requires tumble dry low heat setting
Team graphics limit versatility outside fan contexts

Why it's on GiftsFeed

Miami Dolphins swim trunks with four-way stretch and quick-drying shell

Most team swim trunks prioritize graphics over function, using stiff fabric that dries slowly and pockets that fill with water. This trunk builds the Dolphins colorway into a four-way stretch shell that actually moves and a mesh liner that drains instead of sagging. The zipper back pocket is rare in swim trunks but solves the real problem of where to put a key when you're in the water. If you've ever sat around in soggy, board-stiff trunks waiting to dry out, the performance fabric here is worth it.

Good gift when

Miami Dolphins fans who want functional swim gear with team graphics
People who value stretch and quick-dry performance in swim trunks
Anyone looking for a trunk that transitions from water to casual wear
Swimmers who need secure pocket storage for small essentials

Skip it if You prefer longer inseams or need trunks that cover more thigh—the 5.5-inch cut sits well above the knee and shows more leg than many casual swim shorts.

Specs

Inseam: 5.5 inches
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
Care: Machine wash cold, tumble dry low
Sizes available: XS, S, M, L, XL, XXL, XXXL

What's included

One pair of swim trunks

If you're giving it

You'll need their size

Requires knowing waist size; ships in standard product packaging without gift wrapping.

The details

These swim trunks combine team graphics with fabric engineered to move and dry fast. The shell uses a polyester-spandex blend with four-way stretch, so the fit flexes when you're active in or near water. A mesh liner sits inside for structure and comfort without adding weight.

The 5.5-inch inseam sits above mid-thigh, and an elastic waistband with built-in drawstring adjusts to your preferred fit. Side pockets are mesh-backed for drainage, and a zipper secures the back pocket so you can stash a key or card without worry.

The quick-drying shell sheds water faster than standard swim fabric, which means less time sitting around damp after you're done. Machine wash cold and tumble dry low—the construction holds up to repeated washing without losing shape or stretch.

Chubbies designed this trunk for people who want functional swim gear that shows team support. The Dolphins colorway brings bold graphics to a trunk that works for swimming, beach days, or just warm-weather wear. Sizing runs from XS through XXXL, and the stretch fabric accommodates a range of body types within each size.

Chubbies

The Color Blitz Dolphins 5.5" (Classic Lined Swim Trunk)

5.5-inch classic lined trunk with mesh pockets and zipper back compartment

$89.50at chubbiesshorts.com

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Quantity

Buy from Chubbies

Ships and sold by Chubbies. About this merchant

The 3-second version

Four-way stretch shell flexes with movement in and out of water
Quick-drying polyester-spandex blend sheds moisture faster than cotton
Mesh-backed side pockets drain water and zipper secures back storage
5.5-inch inseam sits above mid-thigh
Requires tumble dry low heat setting
Team graphics limit versatility outside fan contexts

Questions

Do these swim trunks have a built-in liner or do I need separate underwear?: They include a built-in mesh liner made from polyester-spandex blend, so you don't need separate underwear. The liner provides structure and comfort without adding bulk.
Will the zipper back pocket keep my car key dry?: The zipper keeps items secure, but these are swim trunks designed to get wet—water will enter the pocket. The zipper prevents items from falling out when you're swimming or moving, not from getting wet.
How does the sizing run compared to typical men's swim trunks?: The four-way stretch fabric accommodates a range of sizes within each category. If you're between sizes or prefer a looser fit, consider sizing up; if you want a closer, more athletic fit, stick with your usual size.
Can I wear these as casual shorts when I'm not swimming?: Yes, the quick-dry fabric and classic trunk cut work for warm-weather casual wear. The mesh side pockets and shorter inseam look and feel like swim trunks, but many people wear them as everyday shorts in summer.
How quickly do these dry compared to regular board shorts?: The polyester-spandex shell dries noticeably faster than cotton or heavier board short fabric. Expect them to go from soaked to damp in under an hour of air-drying, and mostly dry within two to three hours depending on conditions.