TT&Co. Helmet Sizing & Custom Fit Options

TT&CO. helmets are designed for those who find vintage helmets from Western brands a bit too large. With our slim, vintage-inspired designs, you'll get the perfect fit without compromising on style. Below, you'll find everything you need to select the right size, along with our exclusive custom options to enhance your helmet's fit and comfort.

How to Measure & Choose Your Helmet Size

To measure your head, follow the steps below:

1. Place a flexible measuring tape around the fullest part of your head. Start from the center of your forehead, move over your ears, and around the back of your head at the widest point.
2. Measure this position to get the most accurate circumference.

This method is generally the best approach for selecting your helmet size. If you don't have a soft measuring tape, you can use a piece of string or ribbon, and then measure the length with a ruler.

Please note that hair thickness and personal measuring preferences can cause slight variations in size, so we recommend measuring 3–5 times and averaging the results for the most accurate fit.

Size Chart

Optional Products

Custom Interior Options

For M/L size helmets in the SuperMagnum, Star, Motomoto3, and ToeCutter collections, we offer exclusive interior options that allow you to customize the fit. These options can transform your M/L helmet into an XS or S size, providing a snug, comfortable fit for a variety of head shapes.

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Cheek Pads

The ToeCutter collection features custom cheek pads for a more personalized fit. If your head circumference falls between 56-57cm and you find the cheek area too loose, we recommend our S-size cheek pads and size-adjusting foam (please note that the foam's effectiveness can vary from person to person).

If you find the cheek area too tight, the XL-size cheek pads are your solution. These interior options allow you to adjust the M/L helmets to an XS or S size for a tailored fit.

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How to Change the Interior