Swim 9" Shorts with Pocket

$46.23 ~~$69~~ In stock

Reveal an aquatic surprise with our water-activated fabric. When dry, black keeps its secrets hidden. But splash some water on it, and watch as gray jellies emerge.

How It Works

Our innovative color-changing technology responds to water contact. The moment moisture hits the fabric, the previously invisible jellyfish print transforms from black to gray. Once dry, the fabric returns to its sleek, all-black appearance—ready to surprise again and again.

Full coverage, fully awesome. It's a swim short, it's bike short, it's a chasing your dog around the beach short. These extended-inseam wonders are perfect for those looking for a little more coverage.

Sustainability note: We recycle 8 water bottles to make each 9" short

Snug fit- order one size larger for a more relaxed fit
Mid rise, 9" inseam
UPF 50
Antibacterial, odor resistant, breathable, and moisture wicking
Anti-chafe seams
Shell: 80% recycled polyester; 20% spandex
Lining: 88% polyester, 12% spandex
OEKO-TEX® Certified
Inclusive sizing from XS-6X

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.2 / 5 · 5 reviews)

Scarlett Q. ★★★★★ Sep 2, 2026

First time I wore these to the beach and stepped into the surf, I actually laughed out loud when the gray jellies showed up on the black fabric—my kid thought it was a magic trick. The pocket held my phone securely through a few laps, and they dried off surprisingly fast once I was out of the water.

Claire O. ★★★★★ Sep 1, 2026

The water-activated fabric is such a fun gimmick—I couldn’t stop grinning when the gray jellies showed up after a quick splash. The shorts dry fast and feel light in the water, which is exactly what I wanted for a day at the beach.

Sebastian ★★★★☆ Aug 24, 2026

The pocket is deep enough for my phone and keys, which is rare in swim trunks. The jellyfish pattern only shows when wet, so it's a fun surprise every time I get out of the pool. Shame it takes a bit to dry, but that's my only gripe.