Classic Thin Straps Swimsuits — SF333
Train hard, feel great.
Our SF333 Classic Thin Straps swimsuits are made from high-performance, chlorine-proof eco fabric with front lining for comfort and confidence. The thin straps give a modern, minimal look with a neat back shape and secure side coverage - ideal for lane swimming, club training, diving practice, or open-water sessions. Made in sizes 20 (children) to size 44 (equivalent to UK clothing 22).
Sizes 30 - 42 available here; smaller sizes are stocked on our other website, Acquawear
Discover Exclusive Styles In our Discontinued Shapes Collection
Looking for even better deals and different Thin Straps shapes? Check out our Discontinued Thin Straps Swimsuits Collection for select prints, shapes and sizes. Whether you’re stocking up for training or treating yourself to a new style, you’ll find great savings on high-performance, chlorine-proof swimsuits. Don’t miss out—click below to explore our discontinued options!
Why swimmers choose SF333?
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Chlorine-proof eco fabric built for frequent pool use and quick drying.
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Front-lined for comfort & modesty.
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Thin straps + classic back: streamlined feel without a deep scoop.
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Club-friendly prints and pre-order options for teams.
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Sizes 30–42 available now (ask about other sizes / prints on pre-order).
Related shapes
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Discontinued Thin Straps are available in different shapes
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Prefer thicker straps X-back? See Classic Xback SF821
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Want more coverage or larger sizes? See Plus Size Xback SF811
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Prefer a covered back? See Waterpolo range
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Want your legs covered? Choose the Unisex shorts or Kneesuits / Legsuits
Fit & coverage
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Classic training fit with secure side coverage and a tidy back - comfortable for long sets and tumble turns.
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If you’re between sizes for training, most swimmers prefer the snugger fit; for leisure use, consider the more relaxed fit.
How to find your size fast
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Use Filter → Size (30–42) to see only what’s in stock in your size.
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Sort by Newest or Price to compare quickly.
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Need a club order or a size not listed? Message us—we can pre-order many prints.
Fabric & Care
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The fabric used in most of our swimwear is the Carvico XLance (Eco).
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Rinse in cool water after every swim.
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Hand-wash mild detergent; avoid fabric softener & tumble drying.
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Avoid rough pool edges / Velcro that can snag fabric.