100 Percent Helmets size charts

How to measure:

Measure your head circumference horizontally, about 1 cm above the eyebrows.

1. Place the tape horizontally around your head
2. About 1 cm above the eyebrows and above the ears
3. Keep the tape snug, do not pull it tight

100 Percent Helmets Size chart

Size	Head circumference (cm)
XS	53-54
S	55-56
M	57-58
L	59-60
XL	61-62
XXL	63-64

Sale

100 Percent "Status BMX/Downhill" Fullface Helmet - Essential Black

0.94 kg

 159.95 EUR 

54.95 EUR

- 66 %

Sale

100 Percent "Status BMX/Downhill" Fullface Helmet - Dreamflow Black

0.94 kg

 159.95 EUR 

123.95 EUR

- 23 %

100 Percent "Status BMX/Downhill" Fullface Helmet - Hellfire Red/White/Black

0.94 kg

 159.95 EUR 

Sale

100 Percent "Altis" Helmet - White/Red

0.38 kg

 89.95 EUR 

53.95 EUR

- 40 %

See all 18 100 Percent Helmets

100 Percent Altec / Altis Size chart

Size	Head circumference (cm)
XS/S	50-55
S/M	55-59
L/XL	59-63

Sale

100 Percent "Altis" Helmet - White/Red

0.38 kg

 89.95 EUR 

53.95 EUR

- 40 %

Sale

100 Percent "Altis" Helmet - Tan

0.38 kg

 89.95 EUR 

53.95 EUR

- 40 %

Sale

100 Percent "Altis" Helmet - Black

0.38 kg

 89.95 EUR 

53.95 EUR

- 40 %

Sale

100 Percent "Altec Thin" Helmet Replacement Pad Set

0.09 kg

 19.95 EUR 

7.95 EUR

- 60 %

More size charts from 100 Percent

Gloves2 charts · 89 productsKnee pads2 charts · 8 productsElbow pads2 charts · 6 productsImpact shorts3 charts · 6 products

← To all Helmets size charts

The figures come from the manufacturers. Between two sizes? Take the larger one if in doubt, or drop us a line: we have most of the parts here and will check for you. You are just as welcome to come by the shop and try them on.