Which motocross brands run small or large in 2026 sizing charts?

Motocross sizing can be confusing because it varies significantly across brands in 2026. A size that fits perfectly from one manufacturer might feel too tight or too loose from another. This makes it crucial to check actual measurements rather than relying solely on labels.

This guide covers a range of gear including jerseys, pants, gloves, boots, helmets, and protective armor. To make your shopping easier, always cross-reference your body measurements with each brand’s official sizing charts.

Why Motocross Gear Sizing Varies

There is no universal standard for motocross gear sizing. Each brand has its own approach influenced by design philosophy, target region, and preferred fit style. Some brands favor a snug fit for performance while others allow extra room for layering with pants or jerseys.

Sizing also differs between adult and youth gear. Children’s equipment scales with age, but measuring head circumference, chest, waist, and inseam remains important for helmets, gloves, and boots. Proper fit is not just about comfort. It impacts performance and safety, so taking accurate measurements before purchasing and consulting each brand’s sizing charts is always essential.

Brands That Run Small

Some brands are known for tighter fits, particularly in the chest, waist, and inseam. Riders often need to size up to get a comfortable fit.

Fox Racing

Fox Racing jerseys and pants tend to fit smaller than standard. If you are between sizes, it is recommended to choose the next size up. For precise sizing, consult the Fox Racing size chart.

Alpinestars

Alpinestars boots and pants often run half to one size small. It is important to measure your calf and ankle carefully before purchasing. For guidance, see the Alpinestars sizing chart.

O’Neal

O’Neal helmets and gloves generally run small, with youth sizes especially tight. Checking exact measurements is recommended to ensure a proper fit.

Brands That Are True-to-Size

These brands align closely with body measurements, making it easier to select your normal size.

Thor MX

Thor MX pants fit accurately according to the charts. Ratchet buckles allow minor adjustments for a perfect fit. Check the Thor MX sizing chart for precise measurements.

Troy Lee Designs

Troy Lee Designs helmets and gear generally fit true to size. Pants may require checking the inseam to match your measurements.

Leatt

Leatt neck braces and protective armor follow the CM charts closely and are considered true to size.

Brands That Run Large

Some motocross brands run slightly large, usually in the torso or length. This fit is less common but can be helpful for riders who prefer extra room or layering.

Answer Racing

Answer Racing pants tend to run slightly large in the waist. Riders may need to size down if the waist feels roomy.

KLIM

KLIM jackets and pants are generally generous in the torso, making them ideal for layering.

Sizing Tips for 2026 Motocross Gear

Accurate measurements are essential for a safe and comfortable fit. Measure your chest for jerseys, waist and hips for pants, inseam for pants, and hand or helmet circumference for gloves and helmets.

Children’s gear scales with age, but head measurements are especially important for helmets. Always consult each brand’s official sizing charts to ensure the most accurate fit.

Here is a quick reference table for common adjustments:

Conclusion

Motocross sizing varies significantly across brands in 2026. Always take accurate measurements and consult official sizing charts before purchasing.

A simple rule of thumb is to try jerseys, pants, gloves, boots, helmets, and protective armor, make minor adjustments if possible, and when uncertain, size up to ensure safety and performance.

Remember that 2026 sizes may differ from previous years. Verify all updates yearly to make sure your gear fits correctly by checking each brand’s official sizing charts.