This is the one layer you don't have to keep taking off and putting on all day. That's because it actually adapts to the temperature, keeping you warm when it's cool, but letting out extra heat as the day gets going. UA Storm technology repels water without sacrificing breathability Breathable insulation paired with lightweight, smooth spacer fabric for just the right amount of warmth Mock neck collar with 3-panel hood construction that lays flat when not in use Secure, zip hand pockets Style #: 1366352 Body: 88% Polyester/12% Elastane Sleeve/Hood Panels: 91% Polyester/9% Elastane Imported Fitted: Streamlined fit that’s not too tight or too loose. Garment should be washed & dried zipped up Machine wash cold with like colors Do not bleach Tumble dry low Do not iron Do not use softeners Do not dry clean