Fish Monkey Hydro-Block Medium Weight Waterproof Sock

A waterproof sock for the day your boots or waders let you down — a breathable membrane keeps water out while letting sweat escape, with a merino wool liner for warmth.

• Rated 8,000mm waterproof, 10,000g breathable
• Three-layer, medium-weight construction
• Merino wool liner
• M, L, XL