Viking says about the Vprint
Your safety comes first, even so on the ice. As of the 2016 season, wearing an approved skating helmet has been made mandatory on organized tours such as the Weissensee skate tour in Austria.
The special Vprint helmet from Viking is available in 2 colors; Blue/Black - Gray/Black in two sizes S/M and L. The helmet is approved for long track and short track skating and for use on skeelers, according to the regulations made up by the International Skating Union ISU.