I was running these TPU tubes for a good portion of the winter. Super lite and not cheap. For those running skinny tires, I’m pretty sure they make skinny tubes as well. I know . . . go tubeless . . . but I’m a tube guy 
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I’ve been running them since part way thru the winter and they’re a game changer! Certainly not cheap, but a easy way to drop 1.5lbs of rotational weight. It made a world of difference to the bike, especially with climbs.
If my snow tires didn’t fit so loose on the rims and if I didn’t swap tires around often then I probably would have gone tubeless, but this gives you the weight reduction without all the hassle.
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