Medium = Women's shoe size 5 to 9
Large = Women's shoe size 10 to 13
These are mid-weight Nordic Star alpaca socks from Tey-Art. The 1" elastic band on top of the sock is knit. This is a great trouser sock for work as this is a mid-weight sock. The socks are soft, warm, and very comfortable yet lightweight, and not as thick in your shoe or boot.
41% Alpaca, 34% Acrylic, 23% Nylon and 2% Spandex
Medium: 5-9, Large: 10-13
Sizing is by shoe size and the socks are unisex
Machine wash cold, Do not bleach, Tumble dry low, and do not iron.