The helmet shares the same acclaimed adjustment system as in other helmets in the Obex family, allowing for easy and secure adjustment without a need to change padding. POC Ski Helmets - Obex.
21.65 - 22.85. 23.25 - 24.4. Helmet sizes are based on the circumference of your head. To determine the correct size, wrap a measuring tape around your head.
Once you've determined the measurement, you can use the chart here as a guide. Auric (All Models): round fit. Fornix & POCito (All Models): true to SIZE. Artic SL SPIN: true to SIZE.
Skull Orbic Comp SPIN (All Models): runs larger than non-SPIN versions. Skull Orbic X SPIN Skull X: runs larger than non-SPIN versions. Octal (All Models): true to SIZE. Trabec & Tectal (All Models): true to SIZE. Coron & Corpora (All Models): true to SIZE.Crane (All Models): true to SIZE.