Men's The North Face Thermoball Hybrid Hoodie Jacket Medium Monster Blue Hybrid jacket with warm ThermoBall core and stretch soft-shell panels 15D nylon with ThermoBall insulation hybridized with TNF Apex Aerobic side panels and sleeves ThermoBall? powered by PrimaLoft offers the lightweight loft, warmth and compressibility of down with the wet-weather insulating performance of synthetics Exposed molded-tooth center front zip Drop hood with bound opening