Really, really great. Well worth the money. I have been victim of cold feet for years when it hits about 3 degrees, opting for a mix of lake winter shoes and heavy Castelli neoprene shoe covers. These are fantastic. I've used these in dry 3 degree weather, as well as heavy rain and 6 degrees. I've not used with the toe covers, but was happy and warm (albeit wet in the rain) with my normal shoes and summer socks. If it was wet and below 4 degrees, I'd add the toe covers or use thicker wool socks.
Word of warning, they are VERY hard to get on the first time. Go gently, avoid tearing or pulling too hard. There is a stretchy panel on the back your heel can slip down to ease them on. After a few uses they are much easier to put on, still takes an extra minute or two over normal covers, but the extended bit on the shin really helps keep your foot warm. 10/10 from me, I doubt I'll need my winter shoes very often now. I wear a 43 specialized shoe and went with the 43-45 M/L size- again, tough to get on the first time but have stretched a bit and much better now.
