The Xenon mitts from RAB are windproof and fleece lined to keep warmth where it belongs. Pertex Quantum fabric is soft and light weight, allowing the primaloft inside to fully expand. Water repellant with a PU palm for grip. Comes with small stuff sack to make them portable for “just in case” coverage. Can be worn over the Xenon gloves for more protection. Specs: Shell: 100% Polyamide, Lining: 100% Polyester, Filling: 100% Polyester, Palm: 80% Polyester, 2-% Polyurethan excluding trims