Brands / SIR / Clothing / Swimwear / SIR Alva striped bikini bottoms

SIR Alva striped bikini bottoms

Name: SIR Alva striped bikini bottoms
Brand: SIR
SKU: P01212857-1
Price: 140.00 USD
Availability: InStock

SIR

$140.00

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Product Insights & Style Tips

Quietly bold under the sun, the SIR Alva striped bikini bottoms bring a sleek, sun-warmed mood to the beach. The fabric blends 76 percent nylon with 24 percent elastane, delivering a smooth, second-skin feel that moves with you and dries quickly after a dip. The Laila Stripe reads graphic and modern, a subtle high fashion note that stays polished from poolside to boardwalk.

Self-ties at the sides let you tailor the rise and the snugness to your shape, so the fit sits just right without digging in. The stretch blend supports easy movement for lounging, swimming, and playful moments alike, while the clean silhouette layers neatly under a cover-up or peeks out with a coordinating top. It travels well from sunlit afternoons to breezy evenings by the water.

SIR keeps swimwear modern and versatile, with stripes that feel timeless and a silhouette that transitions with ease between salty days and after-dark plans.

Materials / Fabrication

Material: 76% nylon, 24% elastane
Closure: self-ties
HandDesigner color name: Laila Stripe

Recommended Care

Hand wash cold

Style Check

Aesthetics: 8/10

The Alva striped bikini bottoms deliver a bold, graphic mood via high-contrast stripe motif that reads editorial and summery in equal measure. The self tying sides offer an adjustable silhouette, while the clean lines pair with a variety of swim tops to create a confident, fashion-forward beach look that commands attention without shouting.

Craftsmanship: 7/10

The piece showcases clean edge finishes and precise seam lines, with secure self ties designed for reliable adjustability. The nylon-elastane blend yields a compact, smooth drape that holds shape across movement. While not a couture detail, the construction reads sturdy for swimwear and shows thoughtful attention to fit and finish.

Affordability: $$$

The price position for a SIR bikini bottom sits in the mid-to-upper range for designer swim; the bold stripe and adjustable ties give it an editorial edge that elevates it beyond a basic bottom. The value feels justified when considering fabric quality, fit versatility, and the brand's contemporary swim language.

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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.