Under Armour Men's UA ColdGear Infrared Avery Shell ArmourStorm&#174; fabrication is 100% waterproof &#38; breathable, with fully taped seams 10k/10k Rating Durable, 2-layer windproof fabric on exterior with smooth taffeta drop liner ColdGear&#174; Infrared technology uses a soft, thermo-conductive inner coating to absorb &#38; retain your own body heat Helmet compatible hood with back zip expander so it lies against your head, helmet or not