# Alva ruched bikini top

- **Brand:** SIR.
- **Price:** $140.00
- **Catalog:** netaporter
- **Retailer:** net-a-porter
- **Product URL:** https://go.cosimo.shop/r/gAAAAABqpj2jj4RG9TWEB2f16LJ5tyI6U4DXQA7KS8R-Yq1o92vLVVyGPESoiS1Pbhmkanj9kz8jSsYIluMZapbuj2_YDsUVBHtJwXP-SsZZoZmLx9u6Zz0rP3qkTt1qwTUl2JrqpQV04xz2zKlb_xOUTgnULR7RsOEdEvw9f9jbm-GjdrAFlJKiPaEiEexT0sB29mNmpdNNrDI1l4bDacuIXu6QG-d79ZgGGO2xpJmBc0GgMeszbdlO92lHeAJN_AvObCffMZWo4_Axt_OnOXnvJAI-LjMCCDf5XtFHex4bselulJho3fNBQNZqXWaui55MJqtcLjyuLWyvRWIWIEiS-28XSjqt3T10PR4cKkARTkfn_5280fs6sMZceZyWATKCr1YpvVlB9D54W6JnK00IjAG1syKAOaKawCv1tflxOwYhN64Rj4Meei5U_h4fGU0ekD6orOxjNRM6ec2enoo7VlHy2ccS5xqHdOjmxHxoGd-GSP0Y9xA2MPmGPx3lQd9_kpzeRk4gVngb_mcU856Jmdnconjidg==
- **Availability:** In stock

## Summary

Red and white striped ruched bikini top featuring a triangle silhouette, halter neckline, and adjustable self-tie fastenings.

## Description

SIR's 'Alva' bikini top is shaped in a stretch fabric and printed in the label's 'Laila' stripe. Ruched sliding cups and self-tie fastenings allow for a customizable fit, while the halter neckline sits cleanly against the body. Layered it beneath the matching shirt or with the bikini briefs.

## Appearance

- **Colors:** Red
- **Sizes:** 00, 0, 1, 2, 3, 4 (per-size availability under Variants)
- **Materials:** 76% Nylon 24% Spandex
- **Fit:** - Sir follows its own size guide, please refer to the below:   - 00 = INT XXS/ UK 4/ US 0/ IT 36/ FR 32   - 0 = INT XS/ UK 6/ US 2/ IT 38/ FR 34  - 1 = INT S/ UK 8/ US 4/ IT 40/ FR 36  - 2 = INT M/ UK 10/ US 6/ IT 42/ FR 38  - 3 = INT L/ UK 12/ US 8/ IT 44/ FR 40  - 4 = INT XL/ UK 14/ US 10/ IT 46/ FR 42 - True to size - Triangle style, ties at the back for an adjustable fit - Stretchy fabric, mid-weight material - Model: height 183 cm / 6'0", bust 79 cm / 31", waist 63 cm / 25", hips 88 cm / 34.5", bra size 32B, wears the designer's size 1

## Variants

- **In stock:** 5 of 6
- **Available:** 0, 1, 2, 3, 4
- **Color (all variants):** Red

| Size | SKU | Availability |
| --- | --- | --- |
| 00 | 3074457345631017346 | Out of stock |
| 0 | 3074457345631017349 | In stock |
| 1 | 3074457345631017347 | In stock |
| 2 | 3074457345631017344 | In stock |
| 3 | 3074457345631017345 | In stock |
| 4 | 3074457345631017348 | In stock |

## Categories

- **Categories:** Clothing > Swimwear > Bikini Tops

## Additional Attributes

- **composition:** 76% Nylon 24% Spandex
- **part number:** 46376663163107831P
- **size and fit:** - Sir follows its own size guide, please refer to the below: - 00 = INT XXS/ UK 4/ US 0/ IT 36/ FR 32 - 0 = INT XS/ UK 6/ US 2/ IT 38/ FR 34 - 1 = INT S/ UK 8/ US 4/ IT 40/ FR 36 - 2 = INT M/ UK 10/ US 6/ IT 42/ FR 38 - 3 = INT L/ UK 12/ US 8/ IT 44/ FR 40 - 4 = INT XL/ UK 14/ US 10/ IT 46/ FR 42 - True to size - Triangle style, ties at the back for an adjustable fit - Stretchy fabric, mid-weight material - Model: height 183 cm / 6'0", bust 79 cm / 31", waist 63 cm / 25", hips 88 cm / 34.5", bra size 32B, wears the designer's size 1
- **mf part number:** SIR226-0002 T
- **centralSizeScheme:** RTW - 00/4
- **first visible date:** 2026-06-29T03:40:04.000Z
- **swatch variant ids:** 46376663163107832
- **designer identifier:** SIR

## Enrichment

- **Type:** bikini top
- **Type Synonyms:** swim top, triangle bikini top
- **Gender:** female
- **Age Groups:** adult
- **Tags:** ruched, striped, halter neck, self-tie, sliding cups, triangle cups
- **Styles:** resortwear, feminine
- **Colors:** red
- **Color Families:** Red
- **Category Path:** Apparel & Accessories > Clothing > Swimwear > Bikinis > Bikini Tops
- **Construction Detail:** Ruched
- **Fabric:** Elastane (Spandex / Lycra), Nylon / Polyamide
- **General Clothing Features:** Stretchable
- **Neckline:** Halter
- **Pattern:** Striped
- **Season:** Warm Weather
- **Size Type:** Regular
- **Sleeve length type:** Sleeveless
- **Swim top coverage style:** Triangle
- **Swimwear Features:** Adjustable Strap
- **Canonical Brand:** SIR.

## Images

- ![Image 1](https://cdn.octogen.ai/4bf83d60f6bfdd2e2a79155033508ddb/dbfcf50de787d0e9338fbfb681e2fc86.webp)
- ![Image 2](https://cdn.octogen.ai/4bf83d60f6bfdd2e2a79155033508ddb/45522b6a8381cf862acd22ab01d049df.webp)
- ![Image 3](https://cdn.octogen.ai/4bf83d60f6bfdd2e2a79155033508ddb/a0665260ddee6fd405c7e8964e4280cb.webp)
- ![Image 4](https://cdn.octogen.ai/4bf83d60f6bfdd2e2a79155033508ddb/2ca33c5c73ca0b8fb335cb8487301003.webp)

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*Source: cosimo.shop | Product ID: 18630f57-1677-4e9b-8cd7-18c11508f2a1 | Canonical URL: https://cosimo.shop/product/sir/alva-ruched-bikini-top-18630f57-1677-4e9b-8cd7-18c11508f2a1*