A combination of 70% alpaca, 20% nylon and 10% spandex, our terry alpaca socks are versatile enough to carry you through every season. We would be lying if we didn't say we swear by these guys. 
Things we love about alpaca socks:
They are warmer than wool without the bulk
Not itchy like wool
Alpaca contains no lanolin, so there is no risk of lanolin related allergic reactions
Machine washable.
Very soft, and very fuzzy.