Giro Ethos Mips Shield Urban Cycling Helmet









- Reflectivity: Reflective decals and webbing
- Shield Type: Adjustable, clear molded eye shield
- Construction: In Mold construction
- Battery Type: Lithium Polymer
- Ventilation: 12 vents with internal channeling
- Fit System: Roc Loc® City Mips®
- Certification: Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older
- Highlights:
- Built-in front (white) and rear (red) LEDs
- Handlebar-activated turn signals (amber/yellow)
- Micro-USB C rechargeable
- Deep coverage
- Quick-dry padding
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 – 55 |
|
Medium |
55 – 59 |
|
Large |
59 - 63 |
|
Extra Large (selected models) |
61 - 65 |
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