A cold weather men's and women's bobble hat with three-layer Aquasealz™ technology. Waterproof and highly insulative. An interior micro-fleece liner offers unparalleled warmth and comfort. Made for the colder months. Technology Outer - Waterproof Teflon coating makes water bead on the surface, before running off. Mid-Section - Aquasealz™ membrane is an industry-leading waterproof, hydrophobic membrane. Interior - Micro-fleece liner for warmth and comfort. Activities: Three-Layer Aquasealz™ Compo