Worse Things Happen at Sea: The Threat to Natural Fibres

Following the recent report that wool carpets need a nylon component in order to be durable, Denna Jones maintains that there is a growing offshore threat to natural fibres

The 2025 report ‘Wool Carpets Perform’, published by the International Wool Textile Organisation (IWTO), confirms what those in our industry know: 100% wool carpets and rugs perform to the highest measurable standards without needing the support of nylon fibres. But beware of celebrations.

Wool Performs Without Nylon

The rise of nylon specification by wealth-focused marine interior design consultancies is a danger to the wool industry as well as to marine life. Let’s start with the IWTO report, which is based on testing performed by the British Textile Technology Group.

The tests used four metrics to compare the performance of a 100% wool Axminster rug against an Axminster that was 80/20 wool-nylon. Both samples achieved identical ‘heavy commercial’ standards of durability.

Sustainability, Innovation and Global Growth

These findings quash the synthetic industry’s fifty-year- old myth that wool ‘needs’ nylon. However, data alone won’t stop the expansion of marine design consultancies servicing the Ultra High Net Worth (UHNW) class (those with at least £23.8 million in investable assets).

Among such clients, demand for nylon carpets on private and commercial vessels is surging. An elite tier of atelier rug companies and heritage design houses service these UHNW yacht clients. While they maintain prestige on the back of land-based luxury wool rugs with GoodWeave and similar certifications, they operate parallel ocean-orientated design consultancies. In that sphere, industrial nylon carpet is disguised as artisanal aesthetic.

Such companies lean into their heritage history to deliver plastic carpet made in high-volume mills that often lack green manufacturing credentials.

Nylon commands the ship; wool walks the plank. This situation is not conjecture.

Over the past several years, the luxury rug industry has seen a measurable decline in 100% natural fibres as companies prioritise commercial scalability. In 2020, approximately six out of ten luxury rugs were crafted from wool.

As focus shifted to lucrative marine and contract interiors, the natural-only market has eroded. By 2025, the downward trend hit a tipping point: synthetic ‘performance’ fibres are the majority fibres.

Talks, Workshops and Seminars

 The internationally recognised Wheelmark (Marine Equipment Directive) is a requirement for carpet on commercial yachts and cruise ships.

Private yacht owners observe these standards and follow suit. The carpet consultants specify 100% synthetic or blends to meet rigid Wheelmark standards. This has evolved into a sophisticated branding shield used to justify the shift to synthetics by presenting it as safety compliance.

However, Wheelmark does not mandate specific fibres. Wool can be used in marine environments, and wool’s naturally flame- retardant properties fulfil a core requirement of Wheelmark. But the consultants and suppliers would need to prove that non-nylon fibres pass Wheelmark standards.

Instead, it’s easier and cheaper to use global industrial mills that have pre-certified synthetic lines, ignoring the superior natural beauty, fire-safety and sustainability of wool.

This shrewd, decoupled business model-building a brand on the back of wool while promoting nylon-betrays the IWTO’s proof of wool’s superiority.

Yacht owners are often the loudest to profess a love for the sea. But when deckhands use bleach to keep nylon carpets spotless, or when saltwater washes over performance upgrade’ and performance accents’ deck carpets made of micro-fibre ‘silk’ and ‘luxury’ polypropylene tufts, millions of harmful microfibres spill into the ocean.

A return to wool is a return to the natural order. The IWTO knows this; we know this. A rug that begins on a hillside can eventually return to the soil.

Rug fibres born in a chemical laboratory, whether virgin or regenerated, do not biodegrade. Instead, they break into millions of harmful microfibres that live for ever in the very waters yacht owners claim to cherish.

You can also read this article in our previous issue, COVER 82, either in print or digitally on Exact Editions.

Words by Denna Jones