Animal

Qiviut

An Arctic undercoat, patiently gathered.

Reviewed 2026-09-22. Evidence level: verified. Open the interactive profile and route map.

Key figures

Species: Ovibos moschatus (muskox)
Mean qiviut diameter, adults: about 17.5 (females) to 18.2 (males) microns, Banks Island
Yearling qiviut: about 1.7 microns finer than adult
Scoured yield: about 93%
Growth season: maximal in summer, none observed in winter (captive trial)

Approximate values under the stated conditions.

Overview

The soft underwool of the musk ox, shed seasonally.

Feel and behavior

Light, soft and insulating, often used in small accessories.

Where you find it

Lace scarves, cowls, hats and hand-knitting yarn.

Source and geography

Qiviut is the fine underwool of the muskox, Ovibos moschatus, an Arctic ungulate of northern North America and Greenland; wild muskoxen are also studied in Norway. Supply comes from two channels: combing of farmed animals, as documented at the Musk Ox Farm in Palmer, Alaska, and fiber recovered from hides of wild muskoxen taken in subsistence, sport or commercial harvests, for example on Banks Island in the Canadian Arctic. Muskoxen have the lowest genome-wide heterozygosity reported among ungulates, and climate-linked disease is a growing conservation concern.

Advantages

Very light yarns give substantial warmth for their weight.
Fine, uniform fiber gives a soft handle with little prickle.
Farm combing collects fiber the animals shed naturally.
Natural color avoids dyeing.

Drawbacks

Supply is tiny and prices are very high.
Lace and fine yarns abrade and felt under agitation.
Labeling terms are unsettled, so content claims need checking.
Moth larvae attack it like other keratin fibers.

Worth knowing

At the Musk Ox Farm in Palmer, Alaska, one muskox's yearly combings range from about 2 to 9 pounds of qiviut.
A single bacterial clone has been linked to repeated mass die-offs of muskoxen across more than 1,000 km of the Canadian Arctic Archipelago.

Types, grades and fabrics

Types and grades

Qiviut is sold in two main supply forms: combed fiber from farmed muskoxen, and fiber recovered from hides of wild animals taken in Arctic harvests. On the Musk Ox Farm in Palmer, Alaska, one animal's combings range from about 2 to 9 pounds a year, with the herd averaging about 4 pounds, before guard hair is removed. Raw fiber is sold by the ounce to hand spinners, and processed qiviut is sold as pure yarn or in blends with merino, silk or other fibers that add elasticity and reduce cost. Natural color is a soft grey-brown, and much yarn stays undyed. Yearling qiviut is finer than adult fiber.

Fabrics and products

Most qiviut becomes lace-weight or fingering yarn for hand-knit scarves, stoles, cowls, hats and headbands, where very light fabric provides warmth. Blends with merino or silk are used for socks, sweaters and woven scarves, and add elasticity and strength that make garments more practical and affordable. Woven qiviut cloth is rare because supply is small. Raw fiber and roving also serve hand spinners.

Buying and care

How to judge quality

Expect a very soft, fine, slightly matte yarn in natural grey-brown with few coarse guard hairs; stiff, straight, dark hairs indicate incomplete dehairing. Ask whether the product is 100% qiviut or a blend and in what proportion, since a label may use the word qiviut prominently for a small share. Ask about the source, farm combing or wild harvest, and who processed it. Price is a useful signal: pure qiviut yarn commonly sells for more than 100 US dollars per ounce skein, so very cheap 'qiviut' deserves scrutiny. Because qiviut is not a named fiber in US or EU rules, a clear label adds the animal name, muskox.

Care in detail

Follow the maker's instructions. Hand wash rarely, in cool water with a mild wool shampoo free of enzymes and bleach, and avoid agitation, since qiviut can felt. Press water out gently in a towel, then block lace flat to shape on a towel or blocking mat, away from heat. Never wring or tumble dry. Avoid ironing; a light steam from a distance can refresh a piece. Store clean and folded, away from light, in a sealed or breathable bag, and check for moth larvae.

Care at a glance

Follow the maker’s directions. Treat lace structures gently and support the fabric when wet.

Environmental and social footprint

Qiviut is produced in very small quantities, so its total footprint is minor; farm fiber is combed from shedding animals and wild fiber is a by-product of subsistence and sport harvests. The larger concern is the muskox itself. Mass mortality events linked to a single 'Arctic clone' of the bacterium Erysipelothrix rhusiopathiae have occurred on Banks, Victoria and Prince Patrick Islands between 2010 and 2017 and on Ellesmere and Axel Heiberg Islands from 2021 to 2024, where the clone was found at more than 70% of sampled carcass sites. Such losses affect Indigenous communities that depend on muskoxen for food and income. Buying from documented farms or community producers keeps benefits traceable.

Tradeoffs

Farm-combed and other collection channels differ. Know the maker and the origin rather than relying on broad warmth claims.

A useful question to ask: Who gathered and processed the qiviut, and where was the piece made?

Science

Data sheet

Property	Value	Conditions	Source
Mean fiber diameter	about 17.5 (adult females) to 18.2 (adult males) microns	qiviut from 299 wild muskox hides, Banks Island; yearlings about 16.5	[1]
Scoured yield	about 93.3 %	same study, no difference between sexes	[1]
Raw combings per animal	about 0.9 to 4.1 (herd average about 1.8) kg per year	about 2 to 9 lb, Musk Ox Farm, Palmer, Alaska, before guard hair removal	[2]

Protein-based natural material

Most hair is keratin; silk is a different protein-fiber system.

Structure and chemistry

Muskox fleece combines long guard hair with a dense, downy undercoat, the qiviut. Measurements of fleece from 299 wild Banks Island hides found mean qiviut diameters of about 17.5 microns in adult females and 18.2 microns in adult males, with yearling qiviut about 1.7 microns finer, and diameter variability decreasing with age. Scoured yield averaged 93.3%, so relatively little mass is lost in cleaning. Qiviut is keratin with a scaled cuticle, and because cortisol and trace elements are deposited during growth, each fiber also records the animal's physiology.

From source to yarn

Qiviut grows seasonally; in captive trials hair growth was maximal in summer and absent in winter, and the fiber is later shed. On farms, loosening underwool is combed out by hand during the shed, which yields fiber mixed with some guard hair; from harvested animals, fleece can be recovered from hides. In both cases guard hair must be removed by hand picking or mechanical dehairing, and the down is then gently washed, carded and spun, often into light lace-weight yarn.

Performance in use

Qiviut is light and insulating, with the hygroscopic, self-extinguishing behavior and acid-dye affinity of keratin, and it is often left in its natural color. Its fine and fairly uniform diameter gives a soft handle, but lace structures and light yarns are delicate: they abrade, and they felt under agitation, heat and moisture. As with all protein fibers, clothes moth and carpet beetle larvae are a storage risk.

How it is identified

Burn tests (indicative only, and to be done with care) show ordinary keratin behavior. Microscopy of diameter distribution, scale pattern and guard-hair content, compared with published diameters for wild qiviut, can screen claims but cannot prove species. Peptide mass spectrometry or DNA testing against authenticated muskox reference fiber would be the stronger route. Blends should state percentages, since a product marketed with the word qiviut may contain only a small share.

History

Timeline

1997Fleece samples were taken from 299 wild muskox hides during the November Banks Island harvest for the first standardized qiviut fiber study. [1]
2010 to 2017Mass mortality events linked to one clone of Erysipelothrix rhusiopathiae struck muskoxen on Banks, Victoria and Prince Patrick Islands. [3]
2021Qiviut cortisol was validated as a measure of hypothalamic-pituitary-adrenal axis activity in muskoxen. [4]
2025Trace and macro element profiles of qiviut were shown to reflect muskox population trends. [5]

Musk ox underwool belongs to northern material traditions and modern specialist fiber work. The Musk Ox Farm in Palmer provides a documented example of gentle farm combing. That example should not be generalized to all qiviut supply.

The deeper record

Muskoxen are harvested by subsistence and sport hunters in Nunavut and the Northwest Territories, and in 2001 researchers responding to rising commercial interest applied wool and cashmere measurement standards to describe qiviut from a Banks Island harvest. The Palmer farm offers one documented model of husbandry and hand combing, while wild harvests supply another stream. Qiviut now also serves science: hair cortisol is validated as a measure of stress, and element profiles of qiviut from 11 populations across North America and Greenland track population trends in a rapidly warming Arctic.

Labeling and law

Qiviut is not a specialty fiber under the US Wool Products Labeling Act. Under 16 CFR 303.6, hair of other animals may be disclosed with the animal's name and the word hair, fiber or blend when present at 5% or more, or as fur fiber; whether the Inuktitut word qiviut alone meets the animal-name rule is not settled here, so adding muskox is the cautious choice. In the EU, qiviut is not among the named fine hairs in Annex I of Regulation (EU) No 1007/2011 and falls in the animal hair category, where the animal may be named.

This describes what rules and standards cover. It is not legal advice; jurisdiction, product form and current rule text control.

Frequently asked

What is qiviut?

Qiviut is the fine underwool of the muskox, an Arctic animal of Alaska, Canada and Greenland. The Inuktitut word refers to the downy undercoat, which is shed seasonally and collected by combing on farms or recovered from hides of harvested wild animals.

Why is qiviut so expensive?

Each animal gives only a few pounds of raw fiber a year, guard hair must be removed by hand or machine, and processing happens in small batches. Pure qiviut yarn commonly sells for more than 100 US dollars per ounce skein as a result.

Is qiviut warmer than wool?

Claims that qiviut is several times warmer than wool are common but rarely tied to a defined test. Qiviut is fine and light, so a thin lace scarf can feel warm, but warmth depends on fabric thickness and structure. Compare items of similar weight rather than relying on multipliers.

Sources

Cite this page

Chaos. (2026). Qiviut. In Fibers of Earth: An independent textile atlas. https://www.hendrickresearch.com/fibers/materials/qiviut/