5mm or 3mm Neoprene Socks. Like a wetsuit for your feet! Perfect for keeping warm while hiking in cold water.
3 mm Neoprene Socks - black - Olaian - Decathlon
EX2470 – 2mm Neoprene socks Windesign Sailing – Optiparts Marine
Nookie Ti-Liner 2mm Neoprene Socks - Neoprene Socks
Neoprene Guard Sock 3mm, Wading Socks
NEOSPORT XSpan Hi-Top 2mm Neoprene Socks
STORMR NEOPRENE SOCKS - Stormr
Neoprene Socks
VIKING® AMC NEOPRENE SOCKS VF25 - North American Safety
Neoprene Socks Walking WATERPROOF Winter Outdoors Wetsuit Long
Wet Wading Socks Graphite – Fly Fish Food