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Girl's Surf Swimsuit Triangle Top Betty 500
This Betty crop top provides a secure fit in the waves thanks to the band under the bust, while ensuring freedom of movement when paddling.
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San Francisco, 735 Market St. Options
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Product Videos
Product Features

Stays in place in the waves
Band under the bust for a secure fit in the waves
Freedom of movement
Its crossed back straps give the surfer great freedom of movement.
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Product Customer Reviews

Perfect!
Nice cut with good support
holds better than a simple triangle swimsuit, super pretty design
Very good quality and very pretty
Great
Great
Good product
Size 14-15 years for girls 160 cm and 46 kg
It does its duty
Genil
Practical and cute
perfect nice design
Perfect
RAS
for the practice of swimming in the pool or at sea very well
Size Guide

Additional Product Information
Composition
Main fabric: 82.0% Polyester, 18.0% Elastane ; Main lining: 100.0% Polyester
Intermediate surfer
Surfing is your favorite sport and you surf regularly in warm waters. During your sessions, you paddle out to the line-up and either duck dive or turtle roll, depending on whether you are on a shortboard or a longboard. You surf waves bigger than 40” and you can do tricks. You often wipe out and you are used to being thrown about underwater. You want your swimwear to stay in place with each of your movements and not get in your way when paddling.
Body shape
We created the Betty crop top so that young surfers can surf without worrying about losing their swimsuits in the waves. With its crossed back straps and wide elastic under the bust, the swimsuit has been designed to give freedom of movement while paddling.
Stays in place in the waves: the test
We design swimsuits that promise to stay in place in the waves. To test them, we use a panel of female surfers with different body shapes who will follow a test protocol in a pool at our design offices in Hendaye. This protocol aims to reproduce the sensations experienced by surfers when being thrown around by a wave. If this test is conclusive, we go surfing in the sea to test our swimwear in real conditions.
What are padded cups?
A padded cup is a piece of foam that is inserted into the swimsuit. It lets teenage girls protect their modesty. Through our observations and interviews, we have seen that it’s not always easy for girls to accept their bodies at this age. The padded cups hide the nipples, which can be seen when the swimsuit is wet. The pads are removable, leaving it up to the wearer whether to leave them in or take them out.
Girls' swimwear sizes:
At Decathlon, we design swimsuits for young surfers by taking into account their growth. It is for this reason that we systematically associate the child's height with the size, as age is not sufficient to guarantee the correct size. 2 10-year old girls can be of totally different height, weight and shape and have different measurements. We also recommend trying the swimsuits on if possible.
Our girls' swimwear sizes:
Here is the link between age and height on our swimsuit labels:4/5 years: from 3'5” to 3'9”5 years: from 3'9” to 4'1”7/8 years: from 4'1” to 4'4”8/9 years: from 4'4” to 4'8”10/11 years: from 4'8” to 4'11”12/13 years: from 4'11” to 5'3”14/15 years: from 5'3” to 5'7”
Dry sizing and wet sizing
To ensure a perfect fit in the water, it is important to choose the right size while you are dry because once they are in the water, swimsuits become looser. We therefore recommend you buy the correct size. The swimsuit needs to fit snugly against your body in the fitting room, you should feel supported. The spandex contained in certain components used in the design of our swimsuits softens and relaxes in the water.
Do you want to exchange your swimsuit?
Is the size or style not suitable for you? Would you like to exchange it at your Decathlon store? No problem, just be sure not to cut off the label of the swimsuit in case you want to exchange it.
Olaian, decathlon's surf brand
Based in Hendaye, in Southwest France, OLAIAN is Decathlon's new surfing and bodyboarding brand. In our offices at the water's edge, we can design a swimsuit and then on the same day test it directly in the sea to make sure it stays in place in the waves.
Product testing
This product has been tested in use in Hendaye and been subjected to numerous laboratory tests to guarantee the quality of use for which it was designed: tests on the fabric's elasticity and stability; colorfastness when rubbed and washed, and exposed to sea water, chlorinated water and light; and tests on the product's overall performance after repeated washing.
Origin
Imported
Superior quality. Unbeatable prices.
For 40 years, Decathlon has delivered the best value in the retail sports industry by offering high-quality, sustainable and cost-effective products.
Decathlon makes the difference
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Research and development
delivers high-quality cost-effective products
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State-of-the-art production processes
minimize manufacturing costs
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Optimized supply chain
reduces retail prices
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Minimal retail footprint
lowers overhead and indirect costs

Girl's Surf Swimsuit Triangle Top Betty 500
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Heavy products return policy
If you return a product you will receive a refund for the purchase price plus any applicable sales taxes, less any non-refundable charges.
Decathlon will cover all shipping costs associated with your return except for items excluded from our return policy such as bikes, basketball hoops, snowboards, surfboards, tents, and other larger / heavier items.
Return costs for heavy products:
Weight Thresholds | Shipping within California | Shipping outside of California |
---|---|---|
> 9 lbs | $20.00 | $25.00 |
> 30 lbs | $50.00 | $65.00 |
> 100 lbs | $100.00 | $125.00 |
> 200 lbs | $200.00 | $230.00 |
If you return a product at any of our store locations, we will gladly help you find the best alternative product or refund you on the spot.