Made with long-looped cushion piling and multi-brushed thermal yarn, Heat Holders socks are supposed to be sensationally soft and warm — up to seven times warmer than your average cotton sock. The ...

These wouldn’t be my first choice for trail running, but I love them as my warm-weather socks for road runs. They prevent some debris from falling into my shoe, but don’t feel excessive during ...

and hiking socks. Naturally moisture-wicking, temperature-regulating, and odor-resistant—Merino wool keeps feet warm in winter and cool in summer. It's soft and not itchy like traditional wool.