It Is A Favorite Backpacks For Cyclists And Ambitious Climbers. It Has Been Completely Redesigned To Adhere Perfectly To The Body During The Paths And To Assure A Perfect Ventilation And An Optimum Control Thanks To The Reduced Area Of ​​The Backrest Airstripe Contact. The Functional Distribution And Large Fully Foldable Organizer Compartment Allow You To Keep Everything In Order And Under Control.