Giro Disciple MIPS DH MTB Full Face Helmet 2018
- Integrated P.O.V camera mount
- Tool-free, bolt-on visor
- Channeled ventilation at brow line
- Emergency removable cheek pads
- X-Static anti-microbial padding
- D-ring buckle
- Tuneups audio speaker compatible
- O-Snap audio cable management
- Meets ATSM 1952 standard
- MIPS equipped
- MIPS-specific padding
- Fit System: Fit Kit Padding
- Ventilation: 14 Vents with internal channeling
- Fibreglass shell with EPS liner
- Custom injected gasket trim
- Vinyl Nitrile-lined chinbar
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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