Giro Aerohead Mips Road Cycling Helmet

- Polycarbonate shell
- Super Fit Engineering
- Eye shield made by ZEISS Optics
- Magnetic lens anchor attachment
- MIPS technology
- Construction: In-mold construction
- Vents: Vented shield, Over-brow ventilation
- 4 Wind Tunnel vents with internal channelling
Occasionally, without notice, manufacturers change product design and/or specifications.

Giro Helmet Size Guide
How to measure your head size
To find the circumference of your head, place a tape measure in the centre of your forehead, wrap it around above your ears and around the back of your head. If there's a slight difference between two different sizes, always go for the tighter size.

Giro cycling helmets are adjustable so will fit a range of head sizes. Once you know the circumference of your head, select an appropriate helmet size. For example, if your measurement is 57cm then a size M (55-59cm) or a One Size (54-61cm) will fit you.
Giro Men’s or Unisex Helmet Size Chart
Helmet Size |
Head Circumference cm |
One Size |
54 – 61 |
Small |
51 – 56 |
Medium |
55 – 59 |
Large |
59 - 63 |
Extra Large (selected models) |
61 - 65 |
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