When warmth matters most, UltraPeak™ delivers. Our highest-loft insulation traps more heat while staying remarkably soft and lightweight. Inspired by the comfort and look of down, it provides dependable warmth for winter mountaineering, expedition gear, and long periods spent in extreme cold.
Created using decades of fiber expertise, UltraPeak™'s unique fiber framework captures a greater amount of air to more efficiently trap body heat, making it PrimaLoft’s highest-performing insulation. It’s made with 100% recycled content and produced using PrimaLoft P.U.R.E.® manufacturing technology.
Our warmest insulation to date. A unique fiber framework traps more air to help retain body heat when temperatures drop and conditions become demanding.
PrimaLoft’s pinnacle insulation. Our warmest offering, designed for the most relentless users.
