Heavyweight hiking socks made with merino wool, perfect for backpacking and hiking. I purchased these previously and have been storing them. These have only been stored at home. Please refrain from purchasing if you are sensitive to this. To reduce shipping costs, the socks will be shipped without their original packaging. - Brand: L.L.Bean - Model Name: Cresta Hiking Sock - Material: Merino wool - Intended Use: Backpacking, Hiking - Weight: Heavyweight The materials are listed as wool, nylon, and polyurethane. Thank you for viewing.