CHARACTERISTICSBreathable synthetic mesh upper which incorporates the FLEXHIELD systemFULL DUAL PULSOR double phylon midsole of different densities with REACTIVE BALLRobust DURABILITY rubber sole with bidirectional studs for grip on ascents and descents. Incorporates FLEXO technologyLACE POCKET tongueTECHNICAL INFORMATIONBidirectional studs for up and down gripSuited for: medium weight - highIntensity of use: training and competitionTraining distance: more than 30 kmTerrain difficulty: medium