i have been through several different air sleeves. i also have a backpack that i used to put my macbook pro in. i found the best solution for filling the void and protecting the air is the waterfield. very nice bag and offers the dimension to fill the compartment designed for a larger laptop. i bought a vertical orientation bag and added the flap. air slides in and out nicely. i had been using an incase neoprene sleeve. it was nice, very minimal, sleek, but i almost sent my air flying on a daily basis trying to work it in to the very tight opening (and yes i removed the foam shipping buck) give sfbags a try.