Sara (wool/alpaca/cotton/hemp)DESCRIPTION Our improved model in heavy knit. Sheep and alpaca wool are incredibly warm. Cotton and hemp are notoriously durable. By combining warmth and durability we created socks that could withstand long wearing while still being all natural. They contain no synthetic content and the wool is not treated with chemicals making them healthy for your skin as well. Because they are made from completely breathable fibers they don't hold odour or cause