Mother Earth Sends Us Natural Fibre Solutions for All Climates – So Why Are There So Many Synthetics?

You might see me as a basic farmer's son who hasn't quite caught up with the fast-moving fashions and trends that synthetic fibres have made possible.

Or perhaps you see me as a knitwear seller with a rather large pair of woolly blinkers on!

Fair enough, I suppose.

I see myself as a practical sort of bloke. Knitwear is my livelihood, after all. I do keep an eye on fashion trends, but I've always been happiest when people dress for comfort rather than simply following the latest craze.

During my childhood in the 1960s and 70s, synthetic clothing, plastics and boldly branded products were taking the world by storm. Meanwhile, the wool industry was developing finer, softer wool products to remain competitive.

And somewhere in the middle of all that, I was dreaming about the future.

From Woolly Jerseys to Starfleet Uniforms

I have fond memories of watching Star Trek on our old black-and-white Philips television, dressed in my homespun, hand-dyed and hand-knitted woollen jerseys.

I remember thinking how smart those Starfleet uniforms looked. They were futuristic, practical and apparently suitable for just about every occasion.

Whether Captain Kirk was battling Klingons, being beamed aboard the Enterprise or waiting for the next alien encounter on the bridge, the crew always seemed appropriately dressed.

Formal or casual, work or adventure – one uniform appeared to do the lot!

After Julie and I bought New Zealand Natural Clothing, those childhood dreams took on a slightly different form.

Instead of millions of people dressed in Starfleet uniforms, I imagined millions of modern-day Earthlings wearing comfortable Merino layers from head to toe.

Different colours, different cuts and different weights of knitwear, all designed around comfort and practicality.

Why?

Because Merino is wonderfully versatile. It's suitable for the office, the farm, the road, a holiday or simply chilling out in your spaceship!

So, What Are the Advantages of Fine Merino Wool – and Why Should Spock Be Wearing It?

1. Breathability and moisture management

Merino wool fibres can absorb moisture vapour and release it into the surrounding air, helping manage humidity next to the skin.

This makes Merino particularly useful during physical activity or in changing temperatures. It can help keep you feeling comfortable, even when things become a little stressful.

Handy when you've got your phaser out and a group of unfriendly aliens heading your way!

Merino also tends to retain odours less readily than many synthetic fabrics, meaning garments may stay fresher between washes.

Cotton is another comfortable, breathable natural fibre, but it generally holds more liquid moisture and can take longer to dry after heavy perspiration.

2. A wonderful partner for possum and other natural fibres

Merino blends beautifully with fibres such as possum and silk to create soft, warm knitwear and accessories.

Possum fibre contributes lightness, warmth and a luxurious feel, while Merino provides useful strength, elasticity and structure within the yarn.

The result can be a beautifully balanced blend of comfort, warmth and practicality.

I seem to remember Captain Kirk and his crew sporting fur-trimmed jackets on some of those icy planets they visited.

Perhaps they could have done with one of our Koru Fur-Trim Possum Merino Wool and Silk Beanies!

3. Lightweight and easy to pack

Packing for a big trip, an overnight stay or perhaps an intergalactic adventure?

Fine Merino garments can be surprisingly lightweight and compact, making them excellent travelling companions.

A couple of carefully chosen layers can cover a wide range of temperatures without taking up too much room in your luggage.

Merino knitwear also has natural elasticity, which helps many garments recover from creasing after being folded.

And when the temperature drops, it's handy to have something warm tucked away in your bag or pocket.

A lightweight Superfine Merino Beanie is a perfect example.

Even Scotty could probably find room for one in his locker aboard the Enterprise!

4. Temperature regulation

Merino wool has a natural crimp that helps create tiny pockets of insulating air within fabrics and garments.

These air pockets help retain warmth when it's cold, while the fibre's moisture-management properties contribute to comfort across changing conditions.

Think of it as a clever natural temperature-management system.

It's not quite an air conditioner or a heat pump, but it's certainly a useful feature when you're moving between warm offices, chilly mornings and cool evenings.

Add a layer when the temperature drops, then take one off when things warm up.

Simple!

5. Odour resistance

We've touched on this already, but it's worth another mention.

Merino wool is naturally less prone to retaining certain body odours than many synthetic fabrics.

Its moisture-management properties and fibre chemistry can help garments remain fresher during wear, although they will still need washing when dirty or noticeably smelly.

And what happens to the smell when you're beamed back aboard your spaceship?

Well, that's one for Scotty to figure out!

6. Softness and fineness

Modern fine Merino wool can be exceptionally soft and comfortable against the skin.

The diameter of the fibre plays an important role here. Finer fibres bend more easily against the skin, making them less likely to create the prickly sensation sometimes associated with traditional coarser wool.

That's why superfine Merino is such a popular choice for base layers, lightweight knitwear and next-to-skin garments.

You get the natural benefits of wool without necessarily feeling as though you've borrowed Grandad's scratchiest farm jersey!

7. Natural elasticity

Merino wool fibres have a natural crimp and a structure that allows them to stretch and recover.

At a microscopic level, they're a little like tiny springs.

This elasticity helps garments move comfortably with the body and can contribute to shape retention and crease recovery.

Of course, proper care still matters.

Washing according to the garment's care label and avoiding excessive heat will help keep your favourite Merino pieces looking their best.

There's no need to send your jersey through a hot tumble dryer and discover that it's suddenly a better fit for a seven-year-old!

8. Natural UV protection

Wool fabrics can provide useful protection against ultraviolet radiation, but the level of protection depends on the garment's construction, thickness, colour and other factors.

A tightly knitted Merino garment may provide good coverage, but not every lightweight Merino top has a verified UPF rating.

For prolonged sun exposure, choose garments with tested UV protection and remember the usual sun-safety precautions.

And yes, I know.

I should probably say something about ray guns here!

9. Natural flame resistance and low static

Wool is naturally more resistant to ignition than many common synthetic fibres, and it generally produces less static electricity.

These are useful characteristics, particularly when comparing different textile materials.

However, ordinary Merino garments should never be confused with certified protective clothing.

Specialised flame-resistant or arc-rated garments used in certain industries must meet specific safety standards.

So while wool has some impressive natural properties, your everyday Merino base layer isn't automatically suitable for firefighting, electrical work or motor racing.

Even Captain Kirk would have to check the safety specifications!

10. Versatility

Merino can be made into an extraordinary variety of garments and fabrics.

From lightweight base layers and fine knitted jerseys to heavier winter garments, socks, scarves, hats and dual-layer knitwear, the possibilities are enormous.

It can also be blended with other fibres to achieve different combinations of warmth, softness, durability and stretch.

Whether you're heading to work, out for a walk or off on another adventure, there's a good chance Merino has something to offer.

11. Timeless elegance

Fashion trends come and go, but comfortable, well-made Merino garments have a habit of remaining useful year after year.

Fine Merino can drape beautifully, feel comfortable against the skin and work equally well in relaxed or more formal clothing.

It's one of those fibres that can look the part without making a great fuss about it.

And personally, I reckon comfort never goes out of fashion.

A Little Technical Detail About Merino Wool

Now, for those who enjoy a few facts and figures, here's some interesting information about wool fibre diameter.

A micron, also known as a micrometre and written as µm, is a unit used to measure the diameter of individual wool fibres.

One micron is one-thousandth of a millimetre, or one-millionth of a metre.

For comparison, human hair is often several times thicker than fine Merino wool, although both hair and wool vary considerably in diameter.

The fineness of wool is important because it influences how the fibre feels against the skin and how it can be used in different garments.

Merino wool is commonly grouped into categories such as:

• Strong or broad Merino: Approximately 23–25 microns

• Medium Merino: Approximately 20–23 microns

• Fine Merino: Approximately 18.5–20 microns

• Superfine Merino: Approximately 15–18.5 microns

• Ultrafine Merino: Generally below 15 microns

These classifications can vary slightly depending on the wool industry standard being used.

Fine and superfine Merino fibres are particularly well suited to soft, next-to-skin garments and luxurious blends.

At New Zealand Natural Clothing, we love combining Merino with other natural fibres, including possum and silk.

For example, our Possum Merino Wool and Silk Beanie features a blend of 40% possum, 50% Merino Lambswool and 10% Mulberry silk.

It's a wonderful example of how different natural fibres can work together to create something warm, soft and comfortable.

For more background on the breed and its wool, you can also read about Merino sheep on Wikipedia.

Back to Earth!

So, why are there so many synthetic fibres when Mother Earth has given us such a wonderful selection of natural alternatives?

Well, synthetics certainly have their place. They can offer useful properties such as stretch, durability, quick drying and affordability.

But for me, there's something rather special about the comfort, versatility and natural qualities of Merino wool.

Perhaps I really am that farmer's son with woolly blinkers on.

Or perhaps I've simply discovered that some of the best solutions don't have to come from another galaxy.

Thanks for reading.

Live long and prosper!

Phil Grant
Director, New Zealand Natural Clothing
phil@nznaturalclothing.co.nz