Ossidiana Bikini
Ossidiana Top
Ossidiana Slip
Select the size to view the body measurements.
Measurements may vary slightly due to the manufacturing process. The garment is measured flat
| ITA | USA | UK | EU | JP | ||
|---|---|---|---|---|---|---|
| bottom | top | size | size | size | size | |
| S | TU | I-IV | 2-6 | 32-36 | 34-38 | 7-11 |
| M | TU | IV-V | 8-12 | 38-42 | 40-44 | 13-17 |

top:
slip:
| ITA | USA | UK | EU | JP | ||||
|---|---|---|---|---|---|---|---|---|
| bottom | top | size | size | size | size | |||
| XS | 36-38 | I | 1-2 | 28-30 | 30-32 | 4-6 | 32-34 | 5-7 |
| S | 38-40 | I-II | 2-4 | 30-32 | 32-34 | 6-8 | 34-36 | 7-9 |
| M | 40-44 | II-III | 6-8 | 32-34 | 34-38 | 8-10 | 36-40 | 9-13 |
| L | 46-48 | IV-V | 10-12 | 36-38 | 38-42 | 12-14 | 40-44 | 13-17 |
| XL | 48-50 | V-VI | 12-14 | 38-40 | 42-44 | 14-16 | 44-48 | 17-21 |

top:
slip:
| ITA | USA | UK | EU | JP | ||
|---|---|---|---|---|---|---|
| bottom | top | size | size | size | size | |
| S | 38-42 | I-III | 2-6 | 32-36 | 34-38 | 7-11 |
| M | 44-48 | III-IV | 8-12 | 38-42 | 40-44 | 13-17 |
| Size | ITA | USA | UK | EU | JP | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| bottom | size | size | size | size | ||||||
| S | 40 | 4 | 34 | 36 | 9 | |||||
| M | 42 | 6 | 36 | 38 | 11 | |||||
| L | 44 | 8 | 38 | 40 | 13 |
The MEDUSA is available in one size only

| ITA | USA | UK | EU | JP | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| size | height | size | height | size | height | size | height | size | height | |
| XS | 36-38 | 1,55-1,60 | 1-2 | 1,55-1,60 | 30-32 | 1,55-1,60 | 32-34 | 1,55-1,60 | 5-7 | 1,55-1,60 |
| S | 38-40 | 1,60-1,65 | 2-4 | 1,60-1,65 | 32-34 | 1,60-1,65 | 34-36 | 1,60-1,65 | 7-9 | 1,60-1,65 |
| M | 40-44 | 1,70-1,75 | 6-8 | 1,70-1,75 | 34-36 | 1,70-1,75 | 36-38 | 1,70-1,75 | 9-13 | 1,70-1,75 |
| L | 44-46 | 1,75-1,80 | 8-10 | 1,75-1,80 | 36-40 | 1,75-1,80 | 38-42 | 1,75-1,80 | 13-17 | 1,75-1,80 |
| XL | 48-50 | 1,80-1,85 | 10-12 | 1,80-1,85 | 40-42 | 1,80-1,85 | 40-44 | 1,80-1,85 | 15-19 | 1,80-1,85 |
| ITA | USA | UK | EU | JP | ||
|---|---|---|---|---|---|---|
| bottom | top | size | size | size | size | |
| S | TU | I-IV | 2-6 | 32-36 | 34-38 | 7-11 |
| M | TU | IV-V | 8-12 | 38-42 | 40-44 | 13-17 |

| ITA | USA | UK | EU | JP | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| size | height | size | height | size | height | size | height | size | height | |
| S | 38-40 | 1,60-1,65 | 2-4 | 1,60-1,65 | 32-34 | 1,60-1,65 | 34-36 | 1,60-1,65 | 7-9 | 1,60-1,65 |
| M | 40-44 | 1,70-1,75 | 6-8 | 1,70-1,75 | 34-36 | 1,70-1,75 | 36-38 | 1,70-1,75 | 9-13 | 1,70-1,75 |
| L | 44-46 | 1,75-1,80 | 8-10 | 1,75-1,80 | 36-40 | 1,75-1,80 | 38-42 | 1,75-1,80 | 13-17 | 1,75-1,80 |

| ITA | USA | UK | EU | JP | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| size | height | size | height | size | height | size | height | size | height | |
| S | 38-40 | 1,60-1,65 | 2-4 | 1,60-1,65 | 32-34 | 1,60-1,65 | 34-36 | 1,60-1,65 | 7-9 | 1,60-1,65 |
| M | 40-44 | 1,70-1,75 | 6-8 | 1,70-1,75 | 34-36 | 1,70-1,75 | 36-38 | 1,70-1,75 | 9-13 | 1,70-1,75 |
| L | 44-46 | 1,75-1,80 | 8-10 | 1,75-1,80 | 36-40 | 1,75-1,80 | 38-42 | 1,75-1,80 | 13-17 | 1,75-1,80 |
| Taglia | Age |
|---|---|
| S | 3-5 |
| M | 5-7 |
| L | 7-10 |
Our garments are crafted from naturally dyed cotton and are GOTS (Global Organic Textile Standard) certified. Due to the nature of organic pigments, the fabric may react to chlorine and chemicals commonly found in swimming pools and thermal spas.
Please note that the colors displayed on your screen may vary slightly from the actual fabric due to individual device calibrations and display settings.
We kindly ask you to review your order confirmation email to ensure all details are correct. Should you notice any errors, please contact our Customer Care team immediately at info.isolevulcani@gmail.com
90% GOTS Certified Organic Cotton, 10% Elastane.
The Art of the Knot: The Essence of the Ossidiana Bikini
The Ossidiana bikini organic cotton swimwear by ISOLE&VULCANI is an incredible tactile experience. Its entirely seamless construction eliminates all points of friction, representing the perfect synergy between modern laser-cut technology—ensuring millimeter precision—and age-old artisanal craftsmanship.
Featuring a fixed triangle top and essential-cut bottoms, this model is defined by a unique construction held together exclusively by knots. Every component features a raw-cut finish. The bottoms are crafted from a single piece of fabric, while the top is formed by two triangular panels; the entire silhouette is then meticulously hand-knotted.
This sartorial approach allows the bikini to mold fluidly to the body’s natural curves, eliminating pressure marks and ensuring a flawless silhouette. To provide natural support and an adaptable fit for every body type, the Ossidiana top is also available in extended sizing.
A GOTS-Certified “Second Skin”
The exclusive use of GOTS-certified (Global Organic Textile Standard) organic cotton transforms the Ossidiana into a true “second skin.” By utilizing certified natural fibers, the Ossidiana offers a level of breathability and comfort that petroleum-based synthetics simply cannot match. It is the ultimate choice for those seeking both protection and freshness against the skin.
The hand-knotted strings add a touch of authentic aesthetic flair while allowing for a precision-tailored fit. This specific cotton weave provides incredible support, remaining stable and comfortable even on the warmest Mediterranean days.
Sustainability and Italian Craftsmanship
Inspired by the volcanic glass of the Aeolian Islands, the Ossidiana is a manifesto of ethical fashion. Proudly Made in Italy, the collection boasts a fully transparent supply chain. By completely avoiding polluting synthetic materials, we ensure our garments protect the ocean from microplastic shedding.
The Ossidiana bikini is the sustainable solution for those who demand the excellence of Italian savoir-faire combined with a magnetic, minimalist design and a concrete commitment to both marine conservation and skin health.
To request a return/refund please send an email to info.isolevulcani@gmail.com.
Shipping of the article you wish to return to be made no later than 14 days from the initial return request.
Returns are free if the product is faulty or the order was incorrect. For all information regarding shipping, returns and refunds please see our SHIPPING AND RETURN
GARMENT CARE
To preserve the color, shape, and structural integrity of your garments, we recommend hand washing with neutral, delicate detergents or using low-temperature machine cycles. Drying in the shade, away from direct sunlight, is essential for longevity. Proper care not only respects the environment but ensures your swimwear remains a lasting part of your wardrobe.
WASHING INSTRUCTIONS
Cold water only, delicate cycle.
Do not use bleach or optical brighteners.
If necessary, iron at a maximum temperature of 110°C.
ORIGIN
Each piece is handcrafted and hand-knotted in Italy within a short, fully traceable supply chain.
SUSTAINABLE PACKAGING
We have eliminated all plastics and synthetics in favor of paper and cotton. Whether purchased in-store or ordered online (B2B and B2C), your items will be shipped exclusively in plastic-free, fiber-based packaging.
Purchase individual products
Each piece of a set can also be purchased individually and is available in different colors and designs.
Purchase MIX&MATCH
Embrace your creativity and change each day!
Every ISOLE & VULCANI piece is crafted to complement one another, breaking free from constraints of size, color, and pattern in a playful and anarchic way celebrates the distinct beauty found in each individual.



























