Yeah. Take the Avalund component out of the Avalung harness. Put the mouthpiece through the hydration sleeve. Attach the rest inside the pack to keep it out of the way of your other gear. Check out the Avalung version of the pack to get a better idea of how you could better incorporate the Avalung into the pack. Or, as captain obvious (Angus B) suggested, you can wear it under the pack. That's what I do with my Dakine Heli Pro, and it's just a matter of not setting down the mouthpiece in the snow when you're changing layers.

You can wear it under this pack. It's designed to do that.

Yes, the 100oz is too big and so is the 70oz. That is for the pocket any way. I'm going to just just clip in my 100oz and let it hang inside the bag.

http://www.blackdiamondequipment.com/en-us/shop/mountain/packs/outlaw is the bd website and sizing recommendations for the Outlaw. The ski pack line is pretty consistent with its size ranges...so if you like how the covert fits, go with that for the Outlaw.

There is a grey strap in the back that is included that you can wrap around the top of the ski, and through one of the black loops on the top of the pack, and slide the tips through the diagonal carry loop. That is if you like diagonal carry. If you prefer a-frame, the side straps work great, just like any other a-frame carry pack. But the "bat-wings" as you call them, are mostly designed for snowboards, not really secure for skis.

I would A frame them or MAYBE you can use that loop i see and put them diagonal accross the back.

The frame helps to stabilize the load, making ski carry easier, and it also distributes the load you are carrying. Makes everything just a little easier to carry, but is not totally necessary. My loads are usually around 20 pounds, maybe a little less depending on conditions, and I don't really notice the frame. It bends around though, so it fits my back really nice.

The Outlaw has an internal frame, and has a longer, closer to the body fit. The Covert sticks out more, and also has an ice ax carry. The Covert weights a little bit less than the Outlaw (both in the 32L). Not a big deal. I personally love the ride the Outlaw has on my shoulders, and how it packs gear, but I am also a fan of the Covert. There really isn't a huge difference that I know of, except for the internal frame. Up to you, but if the frame isn't a necessity, save the money and the weight and get the Covert.

I'm pretty sure you could fit them in there with some room left over for gloves and other gear. The length of the pack is 18.5-21.5 inches and the width is about 12-13 inches wide. I'm not 100% sure on that width dimension though. Hope that helps.

No, the bladder is not included.