The true workhorse of the De Feet wool posse the versatility of the Woolie Boolie is mind boggling
- from riding to running to kayaking to sleeping in them. Wool is a staple of the De Feet line. De Feet source the highest grade wools on the planet. Combined with De Feet construction the result is the finest wool sock that you can buy. The De Feet wool line is continually growing. Wool has attributes that cant be found in other fibres. De Feet wool socks stay cooler in the heat because of the construction of the mesh. They stay warmer when they are wet & in cooler temperatures because of the amazing thermal properties of wool.64% Wool 34% Nylon 2% Lycra