Size Chart - Giant & Liv Helmets

Here you'll find the size chart for all Giant and Liv bike helmets, including popular models such as Rev, Rivet, Rail, Relay, Path and Compel, and kids helmets.

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Rev MIPS / Rev Pro / Rail / Roost / Extima

Size	S	M	L
Head Circumference	51-55cm	55-59cm	59-63cm

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Relay / Path / Compel / Luta / Rev Comp

Size	S/M	M/L
Head Circumference	49-57cm	53-61cm

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Hoot / Musa

Size	One Size
Head Circumference	50-55cm
Age Group	Kids (4-10 years)

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Holler / Lena

Size	One Size
Head Circumference	46-51cm
Age Group	Toddlers (<5 years)