Selvedge Magazine - Issue 104 - Keeping WarmJanuary February 2022 Published December 15, 2021 Thirty is hot, twenty is nice, ten is cold, and zero is ice. When the temperature drops, it is time to reach for your woollens but which fibre is the warmest? Cashmere, yak, alpaca, llama, and camel are all warmer than sheeps wool. These hollow protein fibres trap warm air, yet there is more to their complex cellular structure than warmth. Their structure allows them to felt and forms dense water and