In honor of fall, why not ditch the over-sized purse that digs into your shoulder, or the obese wallet throwing off your alignment? Ecouterre presents 14 “adult,” eco-friendly versions of the oh-so-practical backpack. Above, Drifter’s camo-clad Back Country Pack ($80.25), made in the United States from 1000-denier Cordura nylon, (and click through to see other options for both men and women).  Because, back-to-school sales may no longer directly apply, you don’t have to completely miss out on the back-to-school fun.