Everything the scan holds on this record, grouped by subject. Blue bars show how much information is held; they are not positive or negative scores. Fields with nothing behind them are counted, not listed.
Features
3 of 5
Feature 1
Ida & Volta makes its womenswear from 100% natural materials that are EU sourced and traceable, using Belgian linen and hemp, Portuguese wool, organic cotton, Tencel made from eucalyptus, recycled cashmere from Italy and handwoven Peace Silk. No polyester is used anywhere in an Ida & Volta garment, whether in the fabric, yarns, buttons, zippers, labels, interfacing or interlining, and the brand fits its pieces with biodegradable corozo vegetable ivory buttons.
Feature 2
Production stays short chain and local for Ida & Volta, with garments sewn and finished by skilled artisans in the brand's own Belgian atelier and other Belgian ateliers, and knitwear designed in Gent and knitted in Antwerp. Ida & Volta works to order to reduce stock and tracks every fibre from the flax fields of Belgium to the final stitch, while its fabrics and processing also span Portugal, Germany, Italy and India.
Feature 3
Ida & Volta prioritises biodegradable mono-materials like 100% organic linen or wool that are easier to recycle, and builds circularity into its natural fibre pieces through mending services, repair over replacement and secondhand resale.
Materials and composition
17 of 29
H3 Q8: Materials (adapts to brand: 100% cotton? / where is the linen from? / hemp?)
Where is Ida Volta's linen from?
Plant fibre %
66.3
Animal fibre %
19.7
Fibre Breakdown
40 (51.3%) 100% plant fibre (organic cotton, linen, hemp) | 9 (11.5%) semi-synthetic (viscose, modal, Tencel, bamboo) | 16 (20.5%) animal fibre (wool, silk, down) | 13 (16.7%) no stated composition
Fibre Breakdown (table)
FibreStyles%Measure100% plant fibre (organic cotton, linen, hemp)4051.3%Naturalsemi-synthetic (viscose, modal, Tencel, bamboo)911.5%Semi-syntheticanimal fibre (wool, silk, down)1620.5%Animalno stated composition1316.7%Unclear
Other materials: origin
Belgian linen from Libeco (family-run mill, Belgium)
Products with a fibre list
71
Products with no fibre list
1
Incomplete compositions count
4
Incomplete composition explanation
These products publish an incomplete composition, so the scanner does not guess the missing share.
Plant fibre percent
61.5
Key facts plant materials
Cotton, Linen, Hemp
Key facts animal materials
Cashmere, Wool, Silk
Key facts chemical materials
Tencel
Key facts organic materials
Organic Cotton, Organic Linen
Key facts synthetic materials
None
Materials used
Linen, Cotton, Wool, Hemp
Scan result
16 of 55
Scan note (above product table)
Provisional direct saved-SKU scan: 65 of 78 in-scope rows classified (83.3% coverage), 13 unresolved. Possible fully plant-SKU range 51.3-67.9% remains in score band 2/5. The saved export retains 0 row-level source URLs; this is not full-catalogue verified.
Score (1-5)
1
Score label
Low verified plant evidence
Total styles scanned
80
Last scanned
2026-08-04
Supply-chain summary
Ida & Volta is a Belgian natural-materials label that names its supply chain openly: Belgian linen from family mill Libeco, virgin wool from the Burel factory in Portugal, recycled cashmere from a Tuscan family business, and GOTS-certified organic cotton mainly from Uganda (sometimes Israel). Production is kept short and local, made in Belgium and Portugal, with named makers including the De Vaartkapoen sheltered workshop in Brussels and seamstress Berta Kassal. Ida & Volta offers near farm-to-shelf transparency rare for a small brand.
Sourcing transparency score (1-5)
5
Full catalogue scan?
no
Publication status
direct_csv_provisional
Method version
Throne Standard direct CSV recalculation 2026.09
Worst-case complete result (%)
51.3
Best-case complete result (%)
67.9
Sustainability score
1
Key findings
Materials: Linen, Cotton, Wool, Hemp
Made in: Ida & Volta garments are produced in small batches in Belgium and Portugal
Certifications: Ida & Volta itself displays European Flax certification for its linen and is listed by the COSH! sustainable-fashion coalition and the "Ik koop Belgisch" (Buy Belgian) initiative
Score status
verified
SKU scan date
2026-07-11
Health and safety
1 of 3
H3 Q6: Is [Brand] non-toxic / PFAS-free?
Is Ida Volta non-toxic and safe for skin?
Certification
6 of 9
H3 Q7: Is [Brand] GOTS / certified?
Is Ida Volta certified?
OEKO-TEX® Standard 100
Ida Volta does not hold OEKO-TEX certification.
Other Certifications
Ida & Volta displays the COSH, J'achète Belge (Buy Belgian) and Belgian 122-16 textile label logos on its homepage, and states its merino knitwear uses mulesing free merino wool.
Cotton: type / certification
GOTS-certified organic cotton
Factory certifications
GOTS (organic cotton)
Key facts certifications
Ida & Volta itself displays European Flax certification for its linen and is listed by the COSH! sustainable-fashion coalition and the "Ik koop Belgisch" (Buy Belgian) initiative
Sourcing and supply chain
17 of 60
Overall: where this info comes from
Traceability level
Cotton: country of origin
Wool: origin + farm + mulesing status
Polyester: virgin or recycled + source
Ownership and legal entity
2 of 17
Owner
Johanna Adriaens is the owner of Ida Volta.
Identity
19 of 27
Brand name
Ida Volta
H3 Q1: Is [Brand] sustainable / ethical?
Is Ida Volta sustainable and ethical?
Answer 1
Documented facts (independently verifiable from the official site and multiple directories): Ida & Volta is a Belgian brand founded 2019, produces small batches in Belgium and Portugal, uses natural materials (linen, wool, GOTS organic cotton, Tencel, Peace Silk, recycled cashmere), holds European Flax certification, and uses GOTS/OEKO-TEX-certified Belgian linen from Libeco plus mulesing-free mer
H3 Q2: Where is [Brand] made?
Where is Ida Volta made?
Answer 2
Ida & Volta garments are produced in small batches in Belgium and Portugal. Independent sources document that Ida & Volta's knitwear is made in Antwerp, some sewing is done via De Vaartkapoen (a sheltered workplace in Brussels), and further making is carried out by Portuguese family-run workshops and a self-employed seamstress, with pattern-making, prototyping and much of the needlework done in-house in Ida & Volta's own studios. The brand states its production takes place in the countries the founders live in (Belgium and Portugal).
H3 Q3: Who owns [Brand]?
Who owns Ida Volta?
Answer 3
Ida & Volta (styled "Ida&Volta") is a Belgian independent slow-fashion label founded in 2019 by Johanna Adriaens, and is run as a two-designer studio by Johanna Adriaens (who works from a studio in Ghent) and Laure Persyn (who works from an off-grid studio in Portugal). No parent company or corporate group ownership is documented; the brand presents itself as independently owned and operated by its founding designers.
H3 Q4: Is [Brand] legit / worth it?
Is Ida Volta legit and worth it?
Answer 4
Ida & Volta is a real, currently-trading legitimate business. Its official site (idavolta.eu) is an active e-commerce store carrying a 2026 copyright notice and 2026 product photography, offering current garments such as linen shirtdresses and knitwear, and the brand maintains active listings on independent retailers/directories (COSH!, Project Cece, Faire, Close the Loop) and social media (Facebook, LinkedIn) under "Ida&Volta"/idavoltalabel based in Ghent, Belgium.
H3 Q5: Is [Brand] fast fashion?
Is Ida Volta fast fashion?
Answer 5
Ida & Volta is a slow, small-batch brand, not fast fashion. It works in small stocks and makes many designs only after an order is placed to avoid overproduction and unnecessary inventory, produces locally in Belgium and Portugal to minimise transport, controls much of its own design, pattern-making and sewing in-house, and positions its pieces as timeless, long-life investments made from natural, traceable and mono-material (more easily recyclable) fabrics.
Answer 6
Certifications: Ida & Volta itself displays European Flax certification for its linen and is listed by the COSH! sustainable-fashion coalition and the "Ik koop Belgisch" (Buy Belgian) initiative. Its documented certifications are largely at the material/supplier level rather than brand-wide: Ida & Volta uses GOTS-certified organic cotton (sourced mainly from Uganda, sometimes Israel), Belgian linen from supplier Libeco (whose linen carries GOTS and OEKO-TEX certification), mulesing-free merino wool from Germany, Peace Silk, and Tencel produced in a closed-loop system in Germany. The Project Cece directory tags Ida & Volta under GOTS and a "Fair Trade" label filter. No evidence was found that Ida & Volta holds a B Corp certification, and no brand-level Fair Trade or GOTS certificate (as opposed to certified input materials) could be independently confirmed..
Answer 7
Ida Volta does not publicly document a recognised textile certification such as GOTS or OEKO-TEX in the sources we checked. What we can confirm is the material itself: our scan of 76 Ida Volta styles found 60.5% is 100% plant fibre, so Ida Volta's natural-fibre standing rests on its composition rather than a certificate.
Methodology note (page footer)
How we scan. Every figure on this page comes from the Throne Standard scan: we read the fibre composition off each live product on the brand's own site, style by style, and count only single-fibre plant cloth (cotton, linen, hemp) as natural. Animal fibres such as wool, silk and cashmere and plastic-based synthetics such as polyester, nylon and elastane sit outside the plant-fibre figure, and regenerated fibres such as viscose, bamboo, modal and Tencel are counted as semi-synthetic. Percentages are calculated over the styles that state a composition; anything unlabelled is shown separately.
Semi-synthetic %
11.3
Answer 8
Ida Volta's linen origin is not stated in the product data we scanned, so we cannot confirm where Ida Volta sources its flax.
Contact Email
johanna@idavolta.eu
Cotton: named farm / region / co-op
Not disclosed to farm level (GOTS-certified organic cotton)
Brand site readable
yes
Recycled and circular
1 of 2
Energy, water and land
1 of 2
PFAS / durable water repellent
PFAS-free (verified)
idavolta.eu
Claims and evidence
10 of 17
Verified by
HTT research (brand policy pages)
Verification status
Unresolved products
What this means
Unresolved products (with links)
Excluded items
Place and access
1 of 1
Location
Ida Volta are located in Ghent in Belgium.
Delivery and shipping
3 of 3
Shipping
Ida & Volta currently ships its made-to-order garments to addresses in Belgium only, with the brand planning to expand across Europe soon.
Shipping International
No. Ida & Volta ships to Belgium only at present.
Shipping Notes
Shipping on Ida & Volta orders is a flat 7 euro via Bpost, which covers delivery and packaging, with no free shipping threshold stated. In-stock Ida & Volta items should arrive within 5 days of ordering, while made-to-order pieces can take up to 6 weeks.
Price and commerce
2 of 8
Price tier
$$$$
SKU count
80
Further detail
23 of 67
Excerpt
Is Ida Volta a sustainable clothing brand? See the real fibre breakdown, plant, animal or synthetic, before you buy.
Country
Belgium
POC
Ida Volta clothing brand ownership is not identified as people of colour.
LGBT
Ida Volta clothing brand ownership is not identified as LGBTQ+.
Woman Owned
Ida Volta clothing brand is a woman owned clothing brand.
GOTS
Ida Volta is not GOTS certified as a company, but uses GOTS certified organic cotton.
GOTS held by
na
1% for the planet
Ida Volta clothing brand is not a member of 1% for the Planet.
Vegan
Ida Volta clothing brand is not a vegan clothing brand.
Report Post
61289
Dye process
Low-impact / GOTS-certified dyes
idavolta.eu
Clean & Safe: last checked
2026-07-29
Supplier disclosure
Full public list
Products found
80
Last checked
2026-09-26
Products in catalogue
76
Products read
72
Catalogue read %
94.7
How it was read
Throne identifies the eligible textile products in Ida Volta's catalogue, inspects each product for published material evidence and requires at least 20 scoreable textile SKUs before publishing a brand score. The score uses only products with enough published material information to classify. Brand non-disclosure and technical read failures are reported separately. Non-textile products are excluded rather than counted as a pass or a fail.
Possible flags
6
Website check
page identifies as Ida Volta (checked 2026-08-18)
Coverage method pre dash fix
Every product listed in the brand's live catalogue is retrieved and its stated fibre composition read individually - from the product page, the store's own product data and its material labels. A fibre percentage is published only when 100% of the catalogue has been read. Items with no clothing textile (gift cards, packaging, jewellery, homeware) are excluded from the percentage rather than counted as a pass or a fail.
