GoCoCo Business is an every day sock. The sock has an unique ability to minimize the smell from sweat. The sock is also very fast drying. The sock has a great fit with a soft and good elasticity. Available in black with grey sole. Material: 30% Merinowool 26% Cocona yarn 25% Cotton 2% Elastan 2% Nylon Sole and heel in grey (not shown on the picture)