UA Storm technology repels water without sacrificing breathability. 100% waterproof & breathable, with fully taped seams. 10k/10k Rating . Incredibly light PrimaLoft insulation delivers extreme breathability, warmth & water-resistance ColdGear Infrared uses a soft, thermo-conductive inner coating to absorb & retain your own body heat . Secure hand pockets & snap close, envelope style back pockets Internal waistband adjustment system . Built-in boot gaier with boot clip & zip gusset . Inner leg vents with mesh backing.