The fox merino wool 4inch sock is the ideal high performance sock for all mountain biking constructed from merino wool you get excellent moisture transfer whilst the odour control will keep you feet smelling fresh all day long the fox merino wool 4inch sock offer flex and support zones combined with a flat stitch toe construction gives a seamless fit eliminating pressure points for the ultimate comfort in your mountain bike shoes fox merino wool 4inch sock features genuine merino wool offe