Armour Fleece® is light, incredibly warm, and has just the right amount of stretch. UA Storm is water-repellent and nearly weightless. Together, you never need to train indoors again. UA Storm technology repels water without sacrificing breathability Armour Fleece® is light, breathable & stretchy for warmth that still lets you move Soft inner layer traps heat to keep you warm & comfortable Ribbed collar & cuffs Raglan sleeves Many colorways use a fluorine-free water-repellent treatment Uses a fluorine-free water repellent treatment