What Are Hats Made OF— and Why Do Some Cost More?

How much do you really know about the material sitting on your head?

Most of us can recognise felt and straw. Beyond that, things become a little less clear. When we choose a hat, we usually notice the colour and shape long before we think about what it is actually made from.

For a hatmaker, however, the material changes everything.

It determines how the crown can be shaped, how the brim moves and how precisely a line can be defined. Some materials respond quickly to steam and pressure. Others need more patience. Some hold a sculptural form; others naturally prefer a little movement.

WHAT IS FELT, ACTUALLY?

Felt looks like fabric, but it is not woven in the traditional sense. Loose animal fibres are worked together using moisture, heat, movement and pressure. Tiny scales on the fibres catch and lock together, gradually forming a dense material. This is what makes felt so interesting for hatmaking. With steam, pressure and the right wooden block, a simple felt cone can be stretched, curved and transformed into an entirely different form.

But felt is not one single thing. The fibre, its fineness, the blend and the way the felt body was produced all influence how the finished hat will look and behave.

WOOL: FAMILIAR, VERSATILE AND FULL OF CHARACTER

Wool has been used for felt for centuries because its fibres bind together so naturally. Merino is especially appreciated for its fine, soft fibre. In a hat, it often creates a tactile, matte surface with a warm, substantial feeling—one reason it works so well for hats made to become part of everyday life.

Merino also has a meaningful place in Portuguese hatmaking. In the early twentieth century, the Industrial Hat-Making Company in São João da Madeira introduced Merino-wool hats as a finer alternative to the coarser wool hats then being produced, marking a new chapter in the local industry.

Wool is sometimes described simply as a less luxurious alternative to fur felt, but that misses the point. It has its own touch, surface and personality. It does not need to imitate another material to have value.

RABBIT-FUR FELT: REFINEMENT AND DEFINITION

Fur felt also has a long history in hatmaking. Beaver was once especially prized in Europe for its fine underfibre, but rabbit and hare later became important hatmaking fibres in their own right.

A rabbit-fur felt hat does not keep the furry appearance of an animal skin. Its fine fibres are separated, cleaned and felted into a smooth, compact hat body. Compared with many wool felts, it can have a finer surface and hold clean, sculptural lines while remaining resilient—useful for strong crowns, defined brims and precise details.

Rabbit-fur felt can usually tolerate brief exposure to light drizzle, but it is not waterproof and should be protected from heavy or prolonged rain.

BLENDS: A MEETING BETWEEN FIBRES

A blended felt is sometimes mistaken for a compromise. In reality, blends have long been part of the intelligence of textile and hat production.

Combining fibres in different proportions can create a particular weight, texture, density or response to shaping. Wool may bring substance and warmth, while rabbit or hare contributes a finer character. The percentages on a label tell us what is inside, but the quality, preparation and felting process explain why two similar compositions can still feel completely different in the hand.

BEYOND FELT: WHAT DOES “STRAW” REALLY MEAN?

When we move towards lighter hats, we enter a different world of fibres, weaving and regional traditions. We usually gather all of it beneath one simple word: straw. But straw is not one single material.

In the strictest sense, straw is the dried stem left after crops such as wheat or rye have been harvested. These stems can be prepared and plaited into braids, then sewn or shaped into hats. In modern hatmaking, however, “straw” has become a broad category that can include wheat, rye, toquilla, raffia, sisal, abaca and even paper fibre.

The history of these hats is closely connected to place. People worked with the fibres available around them, developing techniques suited to their climate and daily life. In Tuscany, specially cultivated wheat straw was plaited into fine braids, often by women known as trecciaiole, before becoming the Florentine straw hat.

Across the Atlantic, another tradition developed in Ecuador. The hat we call a Panama is actually Ecuadorian, woven from the leaves of the toquilla plant. Its familiar name came through trade and its association with travellers passing through Panama. The finest examples can take months to weave and are judged by the fineness, regularity and density of that weave.

Other fibres bring different qualities. Raffia can feel organic and textural; sisal and abaca can be light but firm; sinamay, woven from abaca, is often used for sculptural occasion hats. The word “straw” may make these materials sound interchangeable, but they are not.

AND THEN THERE IS PAPER STRAW

Paper straw sounds almost like a contradiction. How can paper become strong enough to form a hat?

It begins with cellulose, which is processed into fine strips or fibres. These are twisted or braided before being woven or sewn into a hat body. The result feels far more like a textile than an ordinary sheet of paper.

Paper straw offered hatmakers a consistent, adaptable alternative to agricultural straw. It can be made in different colours, braids, weights and finishes, from light and flexible to clean and structured. Some paper-straw hats can be folded, although that should never be assumed of every design.

It should also be protected from heavy rain, crushing and prolonged dampness—not because it is less valuable, but because it has a different purpose.

IS ONE MATERIAL BETTER THAN ANOTHER?

Not really. A material only makes sense in relation to the hat it is meant to become.

A strong, sculptural crown may benefit from the precision of fur felt. Another design may call for the warmth and matte surface of Merino wool. A genuine Panama depends on the fineness and flexibility of toquilla. A relaxed summer design may work beautifully in a carefully selected paper straw.

Construction matters too. The density of a weave, width of a braid, amount of stiffener and way the hat is blocked all influence whether the result feels soft, crisp or architectural. Even two hats made from the same general material can behave very differently.

The material also changes the emotional character of the hat. Make the same shape in smooth rabbit felt, substantial wool, irregular raffia or crisp braided straw, and it will never communicate exactly the same thing.

WHY CAN ONE HAT COST SO MUCH MORE THAN ANOTHER?

Two hats can look remarkably similar in a photograph and still belong to completely different worlds.

Part of the price begins with the raw material. A fine rabbit-fur felt body generally costs more to produce than a basic wool body because its fibres require careful selection, preparation and felting. Even within wool, rabbit or blended felt, there are many levels of fineness, density and finish.

The same is true of straw. A machine-produced paper braid and a finely handwoven toquilla hat may carry the same broad label, although the time and knowledge behind them are entirely different.

And the raw material is only the beginning. Before becoming a finished hat, a felt or straw body may be steamed, stretched over a block, pressed, dried, stiffened, sanded or brushed, resized and shaped again. The brim is finished, the sweatband sewn in, the trimmings applied, and the whole piece checked and refined.

Small-scale production also works differently from mass production. Skilled labour, specialist equipment, individual finishing and occasional material loss cannot be divided across thousands of identical pieces.

This does not mean that the most expensive hat is automatically the best. A costly material can be poorly constructed, while a modest material can become a beautiful and enduring hat in skilled hands. Fit, comfort, finishing and the integrity of the design still matter.

The material helps explain the price. Sometimes we are paying for a finer fibre, denser weave or rarer material. Often, we are paying for knowledge, time and human work that is almost invisible in the finished piece.

The price of a hat begins long before the label is attached.

HOW WE CHOOSE AT THE HALO LAB

At The Halo Lab, materials are not chosen simply to fit a design that has already been decided. We choose them for their own character—for their texture, weight, colour and the way they respond to light, movement and touch.

For me, the creative process often begins when a new felt cone or woven hat body arrives at the studio. I take time to examine it before deciding what it should become. I turn it in my hands, feel its surface, look at its weight and observe how the colour changes between sunlight and shadow. Those small details give me the first tools with which to imagine the hat.

Sometimes that first encounter creates a strange feeling, almost like déjà vu—as though the material already contains the memory of a shape I have not yet created. A dense felt might suggest a more defined crown. A softer body may invite a relaxed line. An irregular weave may ask to be noticed rather than hidden.

Working with natural materials also means accepting that they will not always arrive exactly as expected. Colours can vary. A felt may change slightly once it is steamed and shaped. Its surface may appear completely different in direct sunlight than it does in shadow. A handwoven plant fibre may be more rustic or irregular than the original sample.

I do not necessarily see these differences as faults. Very often, they redirect the design.

There have been materials that I imagined would arrive smooth, controlled and perfectly uniform, only to discover something much more raw and uneven. Rather than rejecting the material or forcing it into the original idea, I step back and ask what kind of hat could belong to that texture.

This is where the challenge becomes interesting. The unexpected quality of a material can become the detail that gives the finished piece its identity.

Working this way is both a creative choice and part of our commitment to avoiding unnecessary waste. It encourages me to recognise the possibilities in what is already in front of me—to adapt, experiment and create something that feels honest to the material rather than discarding it because it did not match an initial expectation.

At The Halo Lab, the material is never simply a surface placed over a design. It is part of the conversation from the beginning.

A hat emerges somewhere between what I imagine and what the material allows.

I hope you enjoyed this read.

Carla Aciar X The Halo Lab