Sealskinz has an even thinner waterproof sock with the HydroStop seal at the top: the SuperThin Pro. Sealskinz Waterproof Socks. 2018 Sea Otter Classic. © C. Lee / Cyclocross Magazine

Sealskinz has an even thinner waterproof sock with the HydroStop seal at the top: the SuperThin Pro. Sealskinz Waterproof Socks. 2018 Sea Otter Classic. © C. Lee / Cyclocross Magazine undefined