When you know you're heading out for a full pull, you want your feet to stay comfy all day. The Flexair Merino Socks are a lightweight and breathable sock that's up to the task. The compression arch bumps up the comfort stakes, as does the flat-stitch toe construction which stops chaffing and irritation while you ride. With their rib knit upper, these socks won't fall down, even if you do.