BBB neoprene booties from Wiggle are the best I've ever used. Thing is, no bootie will keep your feet dry for long, because water runs down your legs right into your shoes. The way to keep your feet dry, whatever booties or boots you use is to put dry suit replacement leg seals on your bare leg above your socks and booties, so that they come down over the tops of said booties. This works perfectly for many hours of steady rain. You can find them online or in dive shops.
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