Designed to fit one of Danner more famous work boot styles, the Quarry sock features a merino wool and acrylic blend for comfort, an open mesh knitting to allow the foot to breathe and a high lycra content to offer a securing and lasting fit. Merino and acrylic blend for comfort. Open mesh knitting allows foot to breathe and reduces overheating. Extra cushioning in sole for superior comfort. Higher lycra content for secure, lasting sock fit.