Comments about Deuter Speed Lite 20 Pack:

I was interested in trying to lighten up my daypack as I tend to take everything under the sun on hikes. I have an Osprey Stratos 24 (no longer made) that I really love, but I wanted something lighter and smaller and simpler. The Deuter Speed Lite 20 really delivers all that and more. It is very light--just over a pound, so in addition to working well as a daypack, it would be great as a summit pack when backpacking. I chose the Deuter for several reasons:

The shoulder straps are burly--as burly as a much larger pack. Most of the ultralight packs have very thin shoulder straps and when carrying a fairly heavy load can become very uncomfortable. The Speed Lite 20 has the heaviest duty shoulder straps of any in that class I checked out. It is very very comfortable on the trail.

It has side compression straps that can loop around so that you can use the pack to carry snowshoes, skis, a jacket, etc. Nice feature for an ultralight pack.

The stuffit pocket on the back is well-thought out and holds items securely.

Side mesh pockets for water bottles, etc (also fits a bladder).

This is a simple, elegant, yet feature-rich ultralight daypack. I highly recommend it.