Sac a dos i-dog revolutiv ultralight 3l raidlight made in france homme noir s.Revolutiv ultralight hydration vest.Hydration.Sac a dos i-dog revolutiv ultralight 3l raidlight made in france homme noir s.Sac a dos means backpack. i-dog is a brand name. revolutiv ultralight 3l means revolutionary ultralight 3l. raidlight is a brand name. made in france means made in france. homme means man. noir means black. s means s.Revolutiv ultralight hydration vest.Revolutiv ultralight means revolutionary ultralight. hydration means hydration. vest means vest.Hydration.Hydration means hydration.