Bottom: 100% Primaloft Polyester Micro Fleece Top: Speed Dry- 87% Polyester / 13% Spandex Since 1983, Bula has grown into an international leader of winter headwear. The name comes from a Fijian greeting that translates to "good life, health and happiness," and that's what Bula offers in their hats, beanies, base layers, gloves and more.