How to Size a Leather Motorcycle Jacket Correctly

Sizing a leather motorcycle jacket is not the same as sizing a regular jacket. You need to account for riding position, the way leather softens with use, and armor placement. A jacket that is too tight restricts movement on the bike. A jacket that is too loose loses its protective function in a crash.

Take Your Measurements First

Before looking at any size chart, measure: chest circumference at the fullest point, waist circumference, shoulder width from shoulder tip to shoulder tip, and sleeve length from shoulder seam to wrist. Size charts vary significantly between manufacturers, so your actual measurements are what matter, not your usual clothing size.

How a Motorcycle Jacket Should Fit

A properly sized motorcycle jacket should feel snug but not tight when standing. You should fit a closed fist between the jacket and your chest. The shoulders should align with your shoulder joints with no sagging or pulling. The sleeves should be long enough that no gap appears between glove and cuff in the riding position.

Test the Fit in Riding Position

When trying on a jacket, lean forward and extend your arms as if gripping handlebars. If the jacket binds across the back or the shoulders pull up, the jacket is too small. If the back rides up exposing your lower back, the jacket is too short. The riding position test reveals fit problems invisible when standing upright.

Chest Measurement Is the Starting Point

Most leather jacket size charts are based primarily on chest measurement. Find your chest size on the manufacturer's chart and use that as your starting size. Then verify shoulder width and sleeve length match. If there is a significant discrepancy, consider a different size or a custom alteration after purchase.

Account for Layering

Think about what you will wear under the jacket. If you ride in cold weather with a heavy sweatshirt, size up slightly. If you ride primarily in warm weather in a t-shirt, size true to your measurements.

Leather Softens With Break-In

New leather will feel snugger than a broken-in jacket. The leather softens and conforms over time but does not significantly increase in overall size. Size for a snug but comfortable fit in the new state. Legendary USA at legendaryusa.com provides detailed size charts for every jacket including the Legendary Black Hills and Black Stallion Horsehide.

Frequently Asked Questions

Should I size up or down in a leather motorcycle jacket?

Size true to your measurements. Leather does not stretch significantly. A too-large jacket loses fit and protective function. A too-small jacket restricts movement.

What if I am between sizes?

Go with the larger size if you plan to layer, or if the shoulder measurement matches better on the larger size. Shoulder fit is harder to alter than waist or chest fit.

Can a leather jacket be tailored to fit better?

Yes. A leather tailor can take in the sides, shorten sleeves, and adjust the waist. Major structural changes like shoulder width are more complex and expensive.

How do I know if the shoulders fit correctly?

The shoulder seam should sit directly at the edge of your shoulder bone. If it falls off your shoulder, the jacket is too big. If it bites into your shoulder, it is too small.

Does sleeve length matter for safety?

Yes. Short sleeves leave a gap at the wrist exposed in a crash. Sleeves should reach the base of the thumb when arms are extended in riding position.