Our socks are made from the yarn that we spin here at the mill with your fiber. The socks are lightweight socks, but quite warm. We add a little nylon, about 10%, to the yarn to increase the longevity of the socks. There is only one style of sock as pictured above. Sock Length: Ankle - comes up just above the ankle Crew - comes up to middle of calf Boot - comes up to middle of the thickest part of calf Foot Sizes: SM: 4.5-7 W MD:7.5-10W 6-8.5M LG: 10.5-13F 9-11.5M XLG: 12-14M Each size/length requires at least 2lbs of finished yarn. Cost is $8 per pair with about 6 pairs per lb. 12 pairs is the minimum order per size/length.