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Whale Shark Long Sleeve Rashguard – UPF 50 Swim Shirt

Whale Shark Long Sleeve Rashguard – UPF 50 Swim Shirt

Inspired by the world's largest fish, this rashguard captures the wonder of seeing a whale shark beneath the surface.

Lightweight, stretchy, and quick-drying with UPF 50 sun protection, it's built for long days spent snorkeling, swimming, paddling, and exploring the water. The tag-free fit, raglan sleeves, and underarm gussets help reduce chafing and provide all-day comfort, whether worn on its own or layered under a wetsuit.

Designed for those who believe the best days are spent in the water, discovering what lies beneath the surface. 🌊🐋🦈

$60.00 USD
$60.00 USD
SALE Sold out
Shipped with Care. No Hidden Fees. Just Clear Vision Ahead.

Product Features

UPF 50 sun protection to shield skin during long days on the water.

Stretchy 90/10 poly/spandex (5.9 oz) fabric for full range of motion.

Quick-dry, breathable construction with moisture management.

Trim, comfortable fit with raglan sleeves and underarm gussets for flexibility

PosiCharge color retention and tag-free label for all-day comfort.

Care Instructions

Care instructions
- Machine wash: cold (max 30C or 90F)
- Non-chlorine: bleach as needed
- Tumble dry: low heat
- Iron, steam or dry: low heat
- Do not dryclean

  XS S M L XL 2XL 3XL 4XL
Body Length at Back, cm 67.31 69.85 72.39 74.93 77.47 80.01 81.28 82.55
Chest, cm 45.09 48.90 51.75 54.61 58.42 62.23 67.31 72.39
Sleeve Length from Center Back, cm 83.19 85.09 87.00 88.90 90.81 92.71 94.62 96.52

Shipping & Delivery

Shipped with care - Delivered within 5-10 days.

Returns Policy

Eligible items only. For more info see our Return policy.

More than JUST a Mask!

At Oceans Optics, we’re committed to clear vision and unforgettable underwater experiences. That’s why every order includes Snorkeling 101 – Your Ultimate Guide to Better Aquatic Adventures!

Get expert tips instantly after checkout or via email, and dive in with confidence.

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Snorkeling 101 — The Ultimate Beginners Guide to snorkeling with a prescription dive mask
The Ultimate Beginners Guide
Included with Every Purchase
Snorkeling 101:

more than JUST a guide

  • Learn how to set up and use your snorkeling equipment like a pro.

  • Learn about fascinating marine species and where to find them.

  • Master the best techniques for keeping your mask clear from water and fog.

  • Get tips on potential hazards and how to avoid them while enjoying your adventures.

Your Rashguard Will Help to Build a Reef!

When you buy from Oceans Optics, you are not just getting a cool ocean Rashguard, you are helping us build a real living growing coral reef.

A portion of every sale goes toward our artificial reef project in Koh Tao, Thailand. We worked with Global Reef and the Thai Department of Marine & Coastal Resources to sink a custom steel structure shaped like a prescription scuba mask. Onto this frame we attach living coral fragments that grow over time, attracting fish and turning the structure into a living reef and safe haven for marine life.

So each time you wear your shirt, you are also actively giving back to the ocean we all love.

Learn More

Rx Lens Strength + Face Fit

Find Your Prescription Mask Quiz

Built specifically for prescription snorkel and dive masks, this quiz helps match your lens strength, face fit, and intended use in one simple flow.

Answer up to 6 quick questions in about 2 minutes.

Start the quiz →

Have your prescription nearby if you know your numbers. If not, no problem, we can still guide you.

Lens strength Face fit Snorkel or dive
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Get ready for your next adventure
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