dont know if you already found your bag, but please have a loog at

https://www.victorinox.com/global/en...prod-details-2

i had similar request (perhaps you found my thread) and ended up buying the Thule. Not happy, too tight and difficult to have other than pc, cables, book, some paper. I usually use the backpack to store sneakers as well during business trip. No way with my new bag.