The defeet woolie boolie 2 sock is here to provide your feet supportive comfort on all day rides it combines defeet39s already proven technology with the highest quality wool so supreme comfort out on your bike the large cuff on the sock helps your feet to stay cooler in the heat and warmer in wet and cold conditions to make it an all year round cycling sock thanks to the mesh used and thermal properties of the wool the cuff of the sock also features a padded terry loop foot sole and arch