Whether 4-ply or 6-ply: autumn is getting colorful Trekking is a high-quality, durable sock yarn that is soft and comfortable to the touch, very robust, and abrasion-resistant. Trekking is easy to care for and machine washable. In addition to durable socks, it is also a good choice for other projects such as scarves, gloves, and sweaters. Step by Austermann is an easy-care, soft sock yarn enriched with the soothing...