tag primaloft L.L. Bean Introduces Aerogel-Insulated Sleeping Bag The new-to-market L.L.Bean Ultralight Sleeping Bag is the first to use an innovative insulation by PrimaLoft that blends aerogel with traditional fibers.
L.L. Bean Introduces Aerogel-Insulated Sleeping Bag The new-to-market L.L.Bean Ultralight Sleeping Bag is the first to use an innovative insulation by PrimaLoft that blends aerogel with traditional fibers.
