Loose: Fuller cut for complete comfort ColdGear® Reactor intelligent insulation adapts to any activity for non-stop comfort & total versatility Lofty insulation with a unique quilting pattern that traps heat, but still allows air to flow so you don't overheat UA Storm technology repels water without sacrificing breathability Smooth, ripstop woven body fabric is lightweight & extremely durable Fleece side panels, lower sleeve panels & shaped back stretch panels offer extra breathability & mobility for zero distractions when you swing Mock neck construction features an insulated outer & a soft, fleece inner for complete comfort Secure, zip hand pockets Shaped hem with drawcord adjust Body: 100% Nylon Panels: 96% Polyester/4% Elastane