What Is a Car Coat? Length, Fit, and Why It’s Called a Car Coat | Hitting the Right Hem

A car coat is a shorter outer coat that ends around the hip to mid-thigh, cut short so it stays clear of the seat and legs when you drive.

The name is the whole story: this coat was built for getting into, sitting in, and climbing out of a car without a hem bunching under your legs. A knee-length overcoat gathers beneath you at the wheel; a car coat stops short of that problem while still covering your hips and seat area. It is a style label rather than a regulated garment category, so length, fabric, and closure vary by maker and era. What stays consistent is the proportion — trim enough to sit cleanly, warm enough to matter.

How Long Is a Car Coat, Really?

Most car coats land at mid-thigh, though hip-length and seat-length versions exist and read as more casual. A hem just above the knee adds warmth and can be worn over tailoring, but it starts to overlap with a topcoat visually.

There is no mandated hem length, and that trips people up. One manufacturer’s car coat may sit at the hip; another’s may drop closer to the knee. Published garment measurements are not body measurements, either. Asket tells customers to measure the coat flat and notes actual measurements can vary by up to about ±1.5 cm, and its archived model came in short, regular, and long options with roughly 4 cm of body-length difference between adjacent sizes. Check the tape, not the name on the tag.

Why Is It Called a Car Coat?

The name refers to the coat’s suitability for motoring: it is short enough to let you sit behind a wheel without the hem riding up or folding under your legs. The style is tied to early motorists and later to postwar American suburban driving.

Early motoring coats could run long because open cars left occupants exposed to weather. Once enclosed, heated cars became common, a shorter coat made more sense. Naming wasn’t uniform in the early years — garments now called car coats were sometimes sold as motor coats, automobile coats, leather coats, or horsehide coats. The modern label settled in later and has covered several related styles since.

If you want a wool version for cold driving days, this roundup of tested wool car coats covers the options worth a look.

How Should a Car Coat Fit?

A car coat should sit straight or gently shaped — skimming the body without pulling tight or looking boxy. The shoulders need to land at or just past your natural shoulder line, and excess overhang or strain signals the wrong size.

Try it over the layers it will actually cover, like a sweater or sport coat, and fasten it fully. You want free arm movement and no tugging across the chest or back. Sleeves should reach roughly the base of your hand or thumb area while still covering your shirt cuff.

Then sit down and reach forward. If the back pulls tight, your arms feel restricted, or fabric bunches under your thighs, the size, cut, or length is wrong for you. Worn over a suit jacket, the hem needs to cover that jacket — a jacket poking out below the coat looks off and lets weather in.

Two other caveats matter. Repeatedly choosing a coat by its name rather than its measurements is the most common mistake. And a car coat is not automatically waterproof, windproof, or insulated; those properties depend on the fabric, lining, and closures the maker used. The label guarantees none of them.

Common Questions

Is a car coat the same as an overcoat?

No. An overcoat typically falls at or below the knee and skews more formal, while a car coat is shorter and shaped for seated mobility. The shorter hem keeps it clear of a car seat, which is where the name comes from in the first place.

What should I wear under a car coat to test the fit?

Wear the layers the coat will actually cover — a sweater, a sport coat, or a suit jacket — then fasten the coat fully. If it fits over a thin T-shirt but strains over a sweater, it is too small for its real job.

Does a car coat keep you warm in winter?

Warmth depends entirely on the fabric and lining, not the style name. Wool, quilting, and sheepskin versions can handle cold weather, but check the maker’s specifications. A car coat label alone promises no insulation, waterproofing, or wind resistance.