Puma Faas running shoes

Faas is a pretty broad line in terms of shoe weight and amount of cushion. I have 2 pairs: 250 and 300, which I bought during a half-off sale for a total of $50 shipped (for both pairs). These two have the same, relatively thin midsole and outsole with a modest toe-drop. Both are very light (low 7-oz range). Both shoes are very flexible throughout. The main difference is an extra layer of fabric in the upper of the 300s, and the 300 having a "real" tongue with padding in it.

I bought the 300 as Kinvara replacements, a role they almost fulfill. For reference, I typically run 15-20 miles per week, with a long run in the 6-8 mile range. I run a few miles a week in Vibram FiveFingers KSOs. The 300 are my "mid-range" training shoes, for 3-6 miles only. Any more than that and my feet/ankles will complain loudly. They are exceptionally comfortable for walking around, and feel great for a few miles, but I need just a little more structure for my longer runs.

The 250 are my 5k shoes. They are basically racing flats. They are very light and comfortable, but the tongue is just a single layer of fabric, making them less than ideal for T2. I use them for the occasional 5k and feel like I'm flying.

I've looked at both the 500 and 550 in stores, and they look ok. Much more cushion, but still fairly light (9-10oz range). Not really for me, but if I was looking for a long-run shoe I would consider them.

If you have really wide feet, I'm betting the 300 is not for you. My feet (though flat like a duck's), are normal-ish width and at a half-size up the 300 is bordeline too narrow. Whether it is a "minimal" shoe is extremely debatable: It is minimal weight, minimal cushion, and minimal support. However, it has a real upper, laces, and a visible midsole w/some toe drop, so purists would probably call it some kinda lightweight trainer. I just call it "skimpy."

Don't forget there is also the 400. Supposed to run a little wider. YMMV.