You want a daypack, need a laptop backpack and a hydration pack. Three different Crumplers is one option. The three-in-one Yee Ross is the other. The flexible and compact Yee Ross holds a 4-litre hydration bladder or 13" laptop in a rear sleeve, your tunes in a centre zippered pocket, and your stuff-du-jour in a 13-litre general cargo space at the front. It also has dual external zippered side pockets for those things you want to keep close at hand.
The rear of the bag and underside of the harness both feature Air Mesh padding.
“Nope, spot on and straight forward. Thank-you!”
“Postage was awesome!! Absolutely love the bag reviews with how many coopers you can fit in, reason i purchased my bag.. Have recommended you to friends who have agree that prices are very reasonably and beat competitors, you have great range and super fast postage. Only suggestion is maybe a few less emails in online newsletter, but that's if i am being picky.”
“Fast shipping, good prices. A good website with helpful video reviews.”
“My wife loved her gift and i loved buying it. The video demo was magic!”
“This is the only place i'd buy bags from now.”