You know how I love my Koobas, but I agree that some are quite heavy. Especially the larger studded totes, etc. But there are quite a few very lightweight Koobas I can vouch for. The Brooklyn Bag, from 2005 is lightweight very distressed leather and is a huge bag to boot. The Tatum is the Brooklyns smaller sister, and very very lightweight. The Jessie Bag (Fall 2006) has 4 outer pockets and measures 15 inches in length and very light. The Nisha bag, as big as it is, is light and very comfortable. And then there is the Frankie. I think one of the most overlooked Koobas. What a neat tote. Compact, lightweight, and 3 large zippered compartments unlike most Koobas that feature one big compartment. The Scarlett is a small Sienna and very comfortable if the Sienna is too heavy for you.
I am excited. A friend sent me a sneak peek of the Spring Koobas due in March. Some really really neat bags! I already pre-ordered 2, one in a gorgeous slate blue color. I am just Kooba Krazy!!! And BTW... I never pay full retail for a bag. Kooba.com has sales, JCMadsion, Lauriesolet, Revolve has sales at times too. And then my few trusted ebay sellers and I always at least pay 100 less per bag and many times much less.