Petzl, Ecrin Roc Helmet - Red All Climbing >>> Climbing by Petzl More details and ordering info. The Ecrin is fitted with 2 adjustment wheels to perfectly adjust the headband in the front and back for a completely personalized fit. Two foam headbands are supplied with the helmet - choose thick or thin foam to make the best fit. There is a spot to attach a headlamp when you need a little extra light, and thanks to the numerous holes in the shell, you have great ventilation. User input on Ecrin Roc Helmet - Red by Petzl: Be the first to submit input on this product Submit Input: Your Name: Write or Paste Input here: Upload picture:      Review Guidelines