Sizing works well, if you're not in the middle . . . - Petzl Meteor Climbing Helmet

The only available meteor helmets were size 1 (smaller size), and my wife measured right at the end of the size range for size 1 and very beginning for size 2. It feels a little snug, but I guess it's just an unfortunate head size

This review was written in the old system and had content requirements that are different than reviews written today.