A 100% waterproof sock with heavyweight loop interior, ideal for really wet and cold conditions. Their three-layer construction comprises of a waterproof and breathable PU membrane sandwiched between a durable knitted nylon outer and a merino mix cushion-loop inner. The blend of merino wool and synthetic fibres in the liner help ensure next-to-skin comfort, moisture management and durability.

Features include:

• Boot (mid calf) length.
• Heavyweight inner.
• 100% waterproof and breathable stretch PU membrane.
• 95% nylon and 5% elastane outer.
• 63% merino wool, 27% polyester, 7.5% nylon and 2.5% elastane terry-loop inner.
• Flat toe seam.
• Elastic arch support for improved fit.