Contents: 50% Fine Merino Wool, 45% Peruvian Baby Alpaca, 4% Nylon, 1% Lycra Made from Alpaca and Merino Wool blend Made in Australia Made from a mixture of fine merino wool and baby alpaca. Our Yellow Earth socks are sure to keep your foot warm and toasty. They are designed to feel amazingly comfortable and will not feel prickly or irritate sensitive skin. This sock is also available in a larger size (Men 7- 10 or Women 8 - 11). The fine merino wool is great at insulating warmth, whilst the alpaca wool is soft and smooth which contains microscopic air pockets to keep warmth in. Made here in Melbourne, they are available in a variety of colours.