In these mountains, moisture was the silent killer. Traditional down was a miracle of warmth until it got wet; then, it became a heavy, sodden clump of useless feathers.
But as he hunkered down in a rocky crevasse, he noticed something incredible. The PrimaLoft fibers, engineered with a permanent water-repellent finish, refused to collapse. They stayed lofted, trapping his body heat in millions of tiny air pockets even while damp. While the world around him turned to ice, he stayed encased in a dry, synthetic cocoon. He didn't just survive the night; he slept. buy primaloft insulation
Elias pulled out his mid-layer—a jacket stuffed with . It felt almost weightless, a synthetic mimicry of goose down developed originally for the U.S. Army. As he hiked through the sleet, the outer shell of his jacket eventually soaked through. Under normal circumstances, this would be the beginning of a cold, dangerous night. In these mountains, moisture was the silent killer