Why Women’s Shirt Buttons Are on the Left Side

If you compare shirt buttons on men’s and women’s models, you will notice that women’s shirts have buttons sewn on the left side and buttonholes on the right, so the right side overlaps the left. For men’s shirts, it is the opposite – buttons are on the right and the left side overlaps. There is no single proven historical document explaining this difference; rather, several popular theories exist. In modern garment manufacturing, the rule is mainly kept as an established convention that customers expect.

How Men’s and Women’s Shirts Are Buttoned

To avoid confusion, the sides are defined from the wearer’s perspective, not the viewer’s.

The same logic applies to jackets, coats, cardigans, and buttoned outerwear, and for most models, also to zips with a flap.

Most Cited Explanations for Buttons on the Left

Fashion historians usually present these as possible explanations rather than proven facts. The difference likely arose from a combination of reasons rather than a single cause.

Dressing with Assistance

The most frequently mentioned explanation relates to a time when expensive garments with many buttons were a privilege of the wealthy. Ladies of high society were often dressed by servants. For a person standing opposite and using their right hand, fastening is easier if the buttons are on the wearer’s left side. Men dressed themselves, so the opposite arrangement was more convenient.

Weapon and Horse

Another theory links men’s buttoning to carrying a sword on the left side: if the garment overlaps on the left, the right hand drawing the weapon does not catch on the edge. For women’s clothing, side-saddle riding is mentioned, where the right side is more exposed to the wind.

Nursing and Carrying a Child

A practical explanation is that a mother holding a baby with her left arm can unbutton with her right hand. This theory sounds logical but does not explain why the rule was so consistently applied even to women who did not breastfeed.

Gender Distinction

When men’s and women’s garments began borrowing cuts from each other – shirts, jackets, trousers – opposite buttoning became a simple and visible sign to classify the garment as male or female. This explains why the convention persisted long after other reasons lost significance.

Shirt Buttons in Garment Production: How the Rule Is Maintained

For tailoring, buttoning direction is a technical parameter, not a historical curiosity. If it is wrong, the entire batch is defective because customers notice it even at the fitting stage. The technical specification should clearly state:

• Direction. Explicitly “women’s buttoning – right over left” or “men’s – left over right,” instead of just “W” or “M.”
• Placket. For shirts with an outer placket, it is on the buttonhole side and moves with the direction.
• Pocket. Men’s shirts have the chest pocket on the left; women’s models vary and should be specified.
• Label. Some brands place the size label according to buttoning direction for easier line checking.

Unisex Models and Men’s Style Jackets

Unisex collections raise the question again. Some brands choose men’s buttoning for all, others women’s, and some make two versions of the same model. There is no wrong choice as long as it is consistent and deliberate throughout the collection. Women’s jackets in men’s style sometimes deliberately keep men’s buttoning as part of the concept – this should be explicitly noted, or the factory will automatically reverse the direction.

For online sales, product descriptions help: a short phrase like “men’s style buttoning” prevents returns from customers who mistake the opposite direction for a sewing error.

Children’s Clothing and Uniforms

For baby and small children’s clothes, direction often does not matter because an adult fastens them, and many models use snap buttons. For uniforms, the rule is set by the client and usually follows the wearer’s gender. For sports and work jackets with zips, direction refers to the flap over the zip.

Which Buttons to Choose for Men’s and Women’s Shirts

The buttons themselves do not differ by direction, but the model choice depends on style. Men’s classic shirts prefer flat four-hole buttons – white, cream, or black for evening wear. Women’s blouses allow more decoration: mother-of-pearl effect, shank buttons, fabric-covered buttons. Explore mother-of-pearl buttons and men’s buttons, and the full range in the buttons collection. For men’s jackets in matching tones, select buttons together with shirt buttons for a unified collection style.

What Is a Button – A Brief Reminder

A button is a fastener with a flat or convex body that passes through a buttonhole or loop to hold two garment sides closed. It usually has two or four holes or a shank on the back. Buttons are made from polyester, metal, corozo, mother-of-pearl, horn, wood, and other materials, and their size is measured in lignes.

Polkom – Manufacturer of Shirt Buttons

Polkom is a manufacturer of accessories for fashion, footwear, bags, perfumes and cosmetics, packaging, and furniture accessories, based in Sofia with over 30 years of experience. We produce shirt and blouse buttons from stock and custom orders – in colours matching fabric samples and with logos. All products are OEKO-TEX® certified. Request samples via the contact page.