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4-Way Stretch for Unrestricted Movement
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Quick-Dry Comfort for Wet Conditions
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Breathable Build for Hot Weather
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Undertow Lined Short – Seafoam – Men’s
Regular price
$56.00
Regular price
$56.00
Sale price
$70.00
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SEATEC’s Men’s Undertow Hybrid Lined Short is built for life on the water and everything that follows. Designed with a modern athletic fit and a 17” outseam, it delivers clean structure, unrestricted movement, and all-day comfort in a premium performance build.
Originally developed as a true dock-to-dinner hybrid, the Undertow is engineered to handle saltwater, sun, and long active days without sacrificing a refined look. The 4-way stretch performance fabric is lightweight and breathable, while drying quickly after a swim. A built-in brief liner provides secure, comfortable support, and a hidden cell pocket inside the liner keeps essentials locked in when you’re on the move.
Why the Undertow works across all-day coastal wear:
• Modern athletic fit designed to move with you • 17” outseam for versatile, everyday wear • Premium 4-way stretch performance fabric • Quick-dry and moisture-wicking construction • Built-in brief liner with hidden phone pocket • Slash front pockets and back welt zip pocket for secure storage • Soft-hand feel with breathable, easy-care performance
From offshore mornings to dockside afternoons and wherever the evening takes you, the Undertow Hybrid Short is designed to perform across changing conditions while maintaining a clean, elevated look.
Super comfortable and dry fast. Perfect for long days on the water.
Jake M.
Great fit with plenty of stretch. Easy to move in all day.
Ryan T.
Lightweight, breathable, and the pockets are actually useful.
Chris D.
Product Specs
Why the Undertow Performs
- Premium 4-way stretch performance fabric
- Quick-dry construction for wet conditions
- Moisture-wicking breathable build
- Built-in brief liner for all-day comfort
- Hidden phone pocket for secure storage
- Modern athletic fit without excess bulk
- 17” outseam for versatile everyday wear
- Slash front pockets + back welt zip pocket
- Built for the Water
Designed for anglers, boaters, travelers, and anyone spending long days in warm coastal conditions, the Undertow Hybrid Short is built to handle heat, movement, and changing environments without sacrificing comfort or style.
The lightweight stretch fabric delivers unrestricted mobility while maintaining a clean, elevated fit that avoids the oversized feel of traditional boardshorts. From offshore mornings to dockside afternoons, these shorts transition seamlessly into everyday wear.
Product Specs
- Fabric: 88% Polyester / 12% Spandex performance fabric
- Premium 4-way stretch construction
- Quick-dry & moisture-wicking build
- Built-in brief liner
- Hidden cell phone pocket inside liner
- Modern athletic fit
- Elastic waistband with inner performance elastic
- Slash front pockets
- Back welt zip pocket
- Mock fly
- 17” outseam
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Shipping
We're a small team that takes pride in getting your gear packed and shipped as quickly as possible. Orders are processed Monday–Friday and typically ship within 1 business day, though processing times may vary during peak seasons, product launches, and periods of high order volume. Orders are not shipped on weekends or major holidays.
Once your order ships, you'll receive a tracking number via email so you can follow its journey every step of the way.
While we are not responsible for carrier-related shipping issues such as delays, lost, or damaged packages, our team will always do our best to assist and help make it right.
For any questions, please contact us at info@seatecoutfitters.com.
Care Guide
Built for performance. Designed to last.
To keep your Undertow Lined Hybrid Shorts looking sharp and performing at their best, follow these care instructions:
- Machine wash cold with like colors
- Use mild detergent
- Do not bleach
- Tumble dry low or hang to dry
- Do not iron
- Do not dry clean
After salt or chlorine use
Rinse thoroughly with fresh water as soon as possible to help preserve fabric performance and color.
Pro tip
Avoid fabric softeners, as they can reduce moisture-wicking and quick-dry performance over time.
Built for heat, movement, and all-day comfort on and off the water.
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Move Freely. Stay Comfortable.
Flexible construction with an elastic waistband provides a secure fit and unrestricted movement all day.
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Maximum Airflow Where It Matters
Lightweight, breathable construction allows airflow to reduce heat buildup during long days in the sun
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All-Day Wear, Zero Bulk
4-way stretch ripstop fabric delivers durability and mobility without weighing you down.
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Built for Wet Conditions
Quick-dry performance fabric helps manage moisture and keeps you comfortable in hot, humid environments.
 
 
Gear That Goes Further
Why Seatec Outperforms the Rest
Most shorts aren’t built for life on the water. Ours are. From quick-dry performance to stretch mobility and all-day comfort, every detail is designed to perform when the heat is on.
 
Others
Quick-Dry for Wet Conditions
Lightweight, Breathable Fabric
Durable Ripstop Construction
4-Way Stretch for Full Mobility
All-Day Comfort & Flexible Fit
Built for Heat & Coastal Environments
Engineered for Performance
Built to handle heat, movement, and life on the water—without sacrificing comfort.
Elastic Waist + Internal Drawcord
Delivers a secure, adjustable fit that moves with you all day.
Secure Rear Storage
Flap pocket keeps essentials protected while maintaining a clean look.
Secure Side Zip Pocket
Safely stores gear, keys, or valuables when you're on the move.
Ripstop Stretch Fabric
Durable, lightweight construction built to handle tough conditions without restricting movement.
Quick-Dry Performance
Dries fast to keep you comfortable in wet and humid environments.
These quickly became my go-to shorts on the water. They’re lightweight, dry fast, and the stretch makes a big difference all day. Super comfortable and hold up great.
Matt R.
Really impressed with the fit and performance. The elastic waistband is comfortable without feeling loose, and the fabric is breathable in the heat. The zip pocket is a great touch.
Tyler B.
Wore these on a full day offshore and they performed exactly how you’d want. They dry fast, don’t restrict movement, and the pockets are great. Easy choice for fishing or everyday wear.
Brandon S.
 
 
Seatec Gear in Action
Real customers wearing Seatec performance apparel—built for sun protection, comfort, and all-day wear.
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Chris B.
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Micah S.
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Allison E.
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Jacob T.
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Customer Reviews
Overall rating: 4.7 / 5 from 6669 reviews.
Only one Gear can handle the 7 Seas and the 97 degrees heat down south ""SEATEC"
Even when you're not on the water!
Wearing my Seatech top on day 7 of Ragbrai LIII. Started the ride in Dyersville in a mist that turned to light rain. Finished in Dubuque to sunny skies and humid air. My Seatech shirt performed as advertised. Kept me dry and comfortable on the 33 mile ride.
Love the fit and comfort of this shirt! My husband and I purchased the salmon design to wear fishing for silver salmon in King Salmon, AK!
I previously purchased a top from the company that had slight peeling on the sleeve after a few wears. Once the customer service team read the review, they offered to replace it free of charge. The peeling was minimal, and I chose to keep the top. However, their level of customer service is exceptional and is a huge reason I will continue to support this business!
Very light weight. It worked great for walking around Yellowstone kept me cool on the boardwalks and hikes, and something nice and very light when the weather changed and needed a rain jacket. I’ll definitely be buying more. However my only complaint is the coloring is obviously printed on one side. Would look better if it was a through and through, especially for the price.
Love this company and their high quality shirts. I live in Florida. Today’s temp (8/17/26) was 95 degrees. Perfect shirt for hot weather, high humidity, and many social events. Yes, I am a repeat purchaser.
This is my third shirt from seatec and I love it. It’s probably my favorite fishing shirt. It feels great and it looks awesome. Can’t wait to buy a few more.
These feel amazingly soft for being performance wear; they do seem to run a bit small, not enough to go a size up but they are just ever so slightly smaller than I would like.
These are great, lightweight and comfortable. My husband and BIL both love them. I'd say they fit pretty true to standard sizes. If I had gone by the chart, my husband would've been a small, but a medium fits him perfectly (5'-10", 165 lbs), and the large fit my BIL very well (5'-10", 185 lbs).
Fabric was a bit more brushed than I expected, but looked cool! He liked it so my hope is that it stays nice in the wash, both color and texture :) thanks again!
The top is very comfortable and works so well. I was caught in a downpour and the top dried fast. Plus it looks cool. Can I get another coupon, I'd love to get the lionfish shirt :)
I don’t do boring and certainly don’t settle for average. These shirts are built to last and hold up to the standards Seatec has set. Not just a colorful design but true performance for all day comfort and wear.
All day comfort and perfect length for me. I’m 6’4 and most shorts are either too long like basketball shorts or so short they ride uncomfortably. The built in liner is great for comfort and wicks moisture away quickly.
This shirt plays double duty. All day performance while fishing or going out on the town in the evening with the wife to dinner. Hands down one of my favorite shirts to wear in extreme heat.
My daughter loves all her Seatec shirts and wears them non stop at the beach. She says they feel good on her skin and keeps her cool while playing non stop in the sand and fishing with dear old dad.
96 degree beach day and rocking the parrotfish deck boots with Seatec socks is a match made in heaven! Feet are not sweating and comfortable standing on them all day. A huge bonus for someone who fishes from sunup to sundown!