Flat-preventing Tires?

[kjay]

Occasionally I've heard about tires that are made to prevent (or decrease the chance of) flats. I like to ride one-week tours, and this appeals to me.

Do any of you have or know about such tires, and if you do have them, do they substantiate the claims? Perhaps they're heavier than regular tires?
(I have a Trek Pilot.)

[KnottedYet]

I have the double-layer Vittoria Randonneurs, which are supposed to be more flat resistant than the average bear. Someone on TE recommended them to me a couple years ago, and I have them on 2 of my road bikes. So far, so good! I have no complaints and they don't seem unusually heavy to me. (I ride on broken glass and pot holes and other urban hazards. No goathead thorns or other exciting things like that!)

[kjay]

Thanks, KnottedYet! I will check them out right now.

[SouthernBelle]

There are several tires that have kevlar. I just put on a set of Maxxis Courchervals which have it. But I haven't had them long enough to comment on effectiveness. Try a search on TE of kevlar and I suspect you will find several.

[CarbonCandy]

Additionally, you could check out some "thorn" resistant or heavy duty tubes.

[boy in a kilt]

Concur on the vittorias. I've got gazillions of miles on them with very few flats. Well, maybe not gazillions but definitely a butt load. They hold my standing record for most miles without a flat, about 5,000, including a loaded tour in central oregon.

The bike was loaded. I was only loaded a couple of time.