I've used the same timbuk2 backpack since 2011 for both travel and daily use (including train & bicycle commuting) and am very happy with it. The most similar c

I've used the same timbuk2 backpack since 2011 for both travel and daily use (including train & bicycle commuting) and am very happy with it. The most similar current model is http://www.timbuk2.com/spire-macbook-laptop-backpack/306.html?dwvar_306_color=5433&dwvar_306_size=7&category=best-sellers-backpacks http://www.timbuk2.com/spire-macbook-laptop-backpack/306.htm...