Gitzo produce a number of tripod ranges. For something light to go on the back pack the Traveller range is ideal. The Mountaineer is a traditional style of tripod with a sliding center column, while the Systematic is a solid, modular version which is ideal for big lens work and video.
Gitzo Center Ball Head GH1382TQD - special profile for compact traveller tripods.
Gitzo GT0545 traveller tripod - the most compact of the Gitzo traveller range.
Gitzo compact traveller tripod GT1545T
The most popular Gitzo Series 2 carbo tripod.
Gitzo Series 2 Traveler
Gitzo mid-size systematic tripod for a solid platform at a managable size.
Gitzo Series 3 Tall Carbon Systematic Tripod.
Gitzo Systematic Carbon Series 3 tripod
Gitzo Carbon Systematic Tripod Series 3, Extra Tall
Series 4 Systematic - compactness of the Series 3 but with thicker leg sections
Gitzo, 4 leg section Systematic Series 4 tall
Gitzo 5-leg section series 4 - solid and compact
Gitzo Series 5 Systematic tripod - Long