Size guide and measurement charts

Airoh

Official source: airoh.com — size FAQs

Adult

Child

Airoh specifies that cheek pads and interiors of different thicknesses are available on some models to refine the fit.

Bayard

Bayard does not publish an official website with the table. Source: MotoPort, the group that distributes the brand — identical confirmation on Star Motors and on MotoPort Germany.

Adult

Child (Y series)

Givi

Givi does not publish a single table: the correspondence is on the product page for each model, under "Size guide". The two scales below were taken from the official product pages on givi.it.

Standard scale — full-face, modular, open-face, demi-jet 10.7

Verified on 50.7 EVO, 55.1, 80.1 Carbon, X31, X27, X50, X36 and demi-jet 10.7 EVO. For jet 12.5 and 10.7 EVO, the scale stops at XL.

Series 11.7 scale (demi-jet)

It's not "open-face vs. full-face". This second scale is only for the 11.7 series: the 10.7 EVO demi-jet and all other jet helmets use the standard scale. If the product page shows centimeters next to the size, those are definitive.

Child

Source: official product page Givi J04 EVO Follow.

HJC

Official source: HJC Helmets Europe — size chart

Adult

The ranges overlap (XS 54-55 and S 55-56; M 57-58 and L 58-59): this is how it is on the official table. HJC states that the table is indicative and that the helmet should always be tried on.

Kappa Moto

Like Givi, Kappa publishes the correspondence on the product page for each model, under "Available Sizes". Taken from kappamoto.com.

Standard scale — full-face, modular, flip-back, jet KV61, demi-jet KV40 EVO

Demi-jet KV57 · KV58 · KV59 · KV60 · KV28 EVO scale

On KV57 and KV58, the XL size means 61 cm and XXL does not exist. On the product page, the centimeters are written next to the size: those are definitive.

Child

Source: official product page Kappa KJ04 EVO Prox.

Momo Design

Official source: momodesign.com — size guide. The table refers to models FGTR Classic and FGTR EVO.

Momo Design only publishes the size/centimeter correspondence for FGTR Classic and FGTR EVO. For other motorcycle models, there is no official table, and we have not extended it by analogy.

SMK

Official source: smkhelmets.com — helmet sizing chart (global brand website)

SMK indicates a single value, not a range. The brand's American website publishes a slightly different table: the one above applies to Europe.

Vespa and Piaggio

Official source: store.vespa.com — size charts. Piaggio branded helmets are part of the same accessory range as the Piaggio Group.

Official Vespa table

Vespa states that the table is an indicative reference and that tolerances are allowed.

Scale for Vespa open-face helmets we sell — Colors, Heritage, Nazioni 2.0

Two differences from the general table. On the individual Vespa helmet product pages, L1 and L2 are grouped into a single L size of 59-60 cm, and XL goes up to 62 cm instead of stopping at 61. These are the measurements written next to the size on our product pages: in case of doubt, those are definitive.

The last letter of the code indicates the color, the two digits after M indicate the size: 606421M01G is a green Colors in XS, 606421M03BK is a black Colors in M.

Piaggio branded helmets

For helmets sold under the Piaggio brand (PJ, P-Xential, PFJ), the manufacturer does not publish a dedicated size/centimeter chart. We have not extended it by analogy from the Vespa chart: on the description of each helmet, the centimeters are written next to the size, and those are the ones to refer to. If you need the measurement of a specific model, call us at the warehouse at 081 341 6164.

Dane and Difi

The two brands belong to the same group, MotoPort, which publishes a single size guide: motoport.de — Größentabellen. The Dane website publishes its chart only as an image and the Difi website is currently unreachable: this is the best available source.

Men — regular sizes (jackets, trousers, suits)

Measurements in centimeters.

Men — short sizes (Kurzgrößen)

Sizes 24-34 are not small sizes: they are men's short sizes. Same body type as regular sizes, just a shorter leg. Men's long sizes range from 94 to 118.

Men — long sizes (Langgrößen)

Women — regular sizes

Women's short sizes: 19-27. Women's long sizes: 72-88. You can find them in full on the source page.

Unisex — letter sizes (jackets, rainwear, underwear)

Gloves (unisex)

Measure the circumference of the hand below the fingers, excluding the thumb.

For jeans, the source does not publish a table, but the conversion rule: size in inches × 2.54 = waist in centimeters. Source example: 33 inches × 2.54 = 83.82 cm.

Hevik

Source: official Hevik size guide (Hevik branded document, PDF). The hevik.com website no longer publishes a size page.

Men's jackets — and rainwear (Hevik recommends the same size as the jacket)

Measurements in centimeters.

Women's jackets

The waist value for XL (86-102) is printed as such in the official guide: we have not corrected it.

Men's trousers

Women's trousers

Men's gloves

Women's gloves

Macna

Macna publishes its tables as images only (macna.com). The numbers below are transcribed from the official Macna distributor and compared cell by cell with a second independent source: they match.

Men's jackets

Measurements in centimeters.

Men's trousers

Women's jackets and trousers

Men's gloves

Women's gloves

The second number of the size (7.5, 8, 8.5...) is the traditional glove measurement, not centimeters.

European fit. Macna states an "Euro fit", which is more tapered than American sizes, and also produces some garments in short and long versions: on the label and on the website, the variant is recognized by the S or L before the size.