Kapok is an exceptionally fine hollow fibre, it's extremely lightweight (about 6 times lighter than cotton) and offers excellent temperature regulation. Its delicate, light properties have earned Kapok nicknames like plant down and plant cashmere. The fibre is naturally coated with a water resistant wax, helping it resist moisture.

White, or genuine, Kapok is a tropical tree native to Indonesia, Malaysia, West Africa, the Caribbean and the northern part of South America. It can grow to more...