The PrimaLoft® brand is the leader in fiber research and development for high performance insulations. PrimaLoft® Insulation, originally developed for the U.S. Army as a water resistant alternative to down, is globally recognized as the world's best synthetic insulation. PrimaLoft® Insulation products are used in leading outdoor and fashion brands, home furnishings, workwear and military applications where performance and comfort are paramount. PrimaLoft® ONE is the highest performing insulation on the market for warmth, water resistance, softness and compressibility. PrimaLoft® ONE is an ultra fine micro fiber insulation that is as warm, soft, and lightweight as down, and is warmer wet or dry than all other insulations.

CLO Rating
Dry .92 clo/oz/yd2 Wet .90 clo/oz/yd2