Do Good Surf Club
Sienna Square Neck Surf Top
Sienna Square Neck Surf Top
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The Sienna Square Neck Surf Top is designed for active surf days — built to stay secure through paddle-outs, duck dives, and wipeouts. With a flattering square neckline and thick supportive straps, this top offers a locked-in feel without digging in or shifting.
Made from regenerated and recycled performance fabric, it delivers durable stretch, shape retention, and all-day comfort while helping reduce plastic waste. The compressive fit provides medium-to-high support, making it ideal for surfing, swimming, and high-movement beach days.
Finished in a timeless brown tone that pairs effortlessly with surf bottoms, leggings, or shorts, this top is made to perform in the water or as a cute and comfortable top on land.
Features:
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Thick straps for added support and stay-put fit, no pesky padding getting scrunched up while you're in the water
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Square neckline for a flattering, functional silhouette
- Reversible to golden orange color
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Sustainable, recycled performance fabric, OEKO Tex Certified
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Chlorine, saltwater & sun resistant, UPF 50+
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Designed for surfing, swimming & surf travel
Fit: True to size. Size down for a more locked-in surf fit.
Supportive, surf-tested, and planet-minded — made to do good in and out of the water.
Matches Best With: Brown Floral Holly Boyshort Bottoms, Brown Floral Piper Bottoms
Sizing & Fit
Sizing & Fit
Fit: True to size.
For a better fit, you can check out our size chart or contact us with questions!
Materials & Sustainability
Materials & Sustainability
Rated "Great" by Good On You
Sustainably and ethically made with 78% regenerated and recycled materials and 22% elastane. OEKO-TEX100 and GRS Certified with UPF50+ coverage. Each order is sent in recyclable and compostable packaging. Learn more about our sustainability initiatives here.
Care Guide: Hand wash suits in fresh, cold water and hang dry in the shade to keep your suit for as long as possible. If you use the washer, use a Cora Ball or Guppy Friend Bag to prevent microplastics which are shedded during washes.
Doing Good
Doing Good
Proud partner of 1% FTP. Each purchase donates a portion of proceeds to ocean conservation efforts with Surfrider and 4Ocean, and coral restoration with Coral Gardeners.
Shipping & Returns
Shipping & Returns
Enjoy free shipping within the U.S. on all orders above $100.
We gladly accept returns and exchanges within 14 days of package receipt.
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Sizing Chart
Remember, measurements are most accurate without clothing so please remove clothing prior to measuring, and ensure the tape measure is parallel/ level with the floor as much as possible while measuring.
EVERY BODY IS DIFFERENT
Measurements are a starting point. Different styles may fit differently depending on coverage, compression, and cut.
Look for Fit Notes on each product page for style-specific recommendations.
Still unsure? Send us your measurements and the style you're eyeing — we're happy to help you find your fit! Contact us at hello@dogoodswimwear.com or dogoodswimwear@gmail.com.
This top has very light support and is elegant and minimal. Customer service has been amazing.
i wear this top ALL THE TIME. no joke. to surf, to pilates,
to yoga, even as a bra. it’s that comfortable. there’s no padding, so nothing scrunches up in there, just buttery soft material. if there were more colors or prints, id buy them all!