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A bigger helmet to protect bigger brains.
Tired of compromising on 'XL' sized helmets that fit like doll caps? The Louis Garneau Arcterus Helmet is your ticket to the comfortable, skull-saving helmet you've been waiting for. The Arcterus is fully featured, offering 15 generous air vents, and LG's one-handed Spiderlock Classic adjustment system so you can dial in the perfect fit on the go.
- XL sizing: 24 1/2 - 25 3/4 inches (US hat size: 7 3/4 - 8), or 62 - 65cm