I just picked up a pair of SIMMS G3 waders with the Muckboot to use in the winter while on my boat, and WOW! These things are a heck of a lot warmer than my stocking foot G3's. I know, it's a no brainer that they would be warmer, but I was surprised at how warm they are. I stood in the water for a good while today since I fished the morning and went out in the boat later on. It was very comfortable standing in the water, even in the middle of winter. If you are looking for a good pair of breathable's for the winter, I highly recommend the G3's with the Muckboots. You're probably asking yourself, "why would I want breathables in the winter?". Well, do you want to walk through two feet of snow in neoprenes to go fishing? Some of you probably aren't hard enough to do that to begin with, but for the rest of us, we need good gear to keep us on the water.

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Get your facts first, then you can distort them as you please.
Mark Twain