UA Storm technology repels water but stays soft & breathable for superior comfort ColdGear® Infrared leg panels use a soft, thermo-conductive inner coating to absorb and retain your own body heat Signature Moisture Transport System wicks sweat to keep you dry and light Lightweight stretch construction improves mobility for full range of motion Low-profile waistband for a clean, modern look Reflective UA logo on front right leg Polyester/Elastane