Woolie Boolies are the thickest of the DeFeet sock line, and are padded in the heel and across the bottom of the foot. The combination of superior construction and the finest Merino wool make this an ideal sock for athletic adventures in a wide range of temperatures and terrain. Cuff will be 6".

Socks are custom made by DeFeet and are 70% Merino Wool, 27% Nylon, and 3% Lycra.

DeFeet       S               M                 L                 XL
Women   6 - 8        8.5 - 10.5       11 - 13
Men      4.5 - 6.5      7 - 9.5           11.5 12          13+
EU        36 - 39.5     40 - 42.5       43 - 45.5       46 - 48