Brands / SIR / Clothing / Swimwear / SIR. Sona String Triangle Top

SIR. Sona String Triangle Top

Name: SIR. Sona String Triangle Top
Brand: SIR.
SKU: SIR326-0001 T
Price: 140.00 USD
Availability: InStock

SIR.

$140.00

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Product Insights & Style Tips

The SIR. Sona String Triangle Top in Black feels like a quiet, confident moment—clean lines, easy wear, and a sun-ready vibe. Self fabric is a nylon-spandex blend that moves with the body, while the lining keeps the shape smooth and secure. Unpadded cups keep the silhouette light, and the back tie closure invites a customizable fit. Hand wash cold keeps the finish pristine.

Not sold as a set, this top works solo or with your favorite cover-ups and bottoms. The back tie lets you dial coverage and lift, while the string triangle silhouette sits close to the frame without feeling restrictive. Lightweight swim fabric and high stretch make it versatile from poolside lounging to beachside strolling, and it layers nicely under a sheer shirt or a lightweight cardigan.

SIR. Leans into a sleek, minimal swim vocabulary, and the Sona top anchors a monochrome mood with quiet confidence. It pairs with a clean bottom for a unified look or with a bold print as a counterpoint that stays cool and current.

Materials / Fabrication

Self: 76% nylon, 24% spandex
Lining: 74% nylon, 26% spandex
Unpadded cups
Back tie closure
Lightweight swimwear fabric
Color: Black

Recommended Care

Hand wash cold after wear with mild detergent
Do not bleach
Line dry or lay flat away from direct heat
Do not iron

Fit Notes

Back tie closure lets you adjust the fit at the back.
Cups are unpadded for a minimal silhouette.
Lightweight swimwear fabric keeps the top feeling airy.
Available in sizes 0/XS, 1/S, 2/M, and 3/L.

Styling Tips

Pair with denim to balance the minimalist triangle shape and let the back-tie closure stay as the focal detail.
Layer with a swimwear cover-up from swimwear to keep the back-tie closure visible while you move between pool and shore.
Finish with a tote bag to carry essentials and complete a coastal-cool moment.

Style Check

Aesthetics: 8/10

Striking in its pared down elegance, the SIR Sona String Triangle Top commands attention with a sculptural, almost architectural frame. A black string silhouette with back ties reads modern and editorial, not casual beachwear. The lack of padding heightens its raw honesty, while the minimalist lines invite layered styling with other textures.

Craftsmanship: 7/10

From the image the finish looks clean: crisp edge binding along the straps and a tidy back tie closure suggest careful assembly. The lightweight swim fabric has natural stretch and drape, though the construction leans on elastic and string tension rather than visible padding. A premium polish is evident, not generic.

Affordability: $$$$

The value aligns with its minimalist design and performance fabric, offering an editorial mood that leans premium yet remains versatile for resort styling. While the price sits higher than typical bikinis, the cut and material quality justify the investment for fashion forward wardrobes that favor statement tops over volume.

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About SIR

SIR The Label is an Australian fashion label with a sustainable background. The cult Australian fashion label was founded by Sophie Coote and Nikkie Campell in 2014, delivering socially conscious minimalism with a free-spirited edge since its inception. Think 70’s, 80’s inspired silhouettes with a beachy aesthetic that can be worn whether you’re beach side or hitting the town. Shop the latest collection from SIR The Label, ranging in dresses, shirts, skirts, pants and swimwear.