The thule versant 50l rucksack is a lightweight rucksack ideal for those demanding treks through difficult terrain the versant 50l is described by thule as being light in weight but heavy on features and we have to say that we d agree the hipbelt includes a removeable waterproof roll top pocket which keeps valuables protected this pocket is interchangeable which a wide range of other versaclick pockets such as the zippered pocket and bottle holder all available separately the integrated rain cov