It's the insulated jacket you can actually work out in. That's because the insulation adapts to your activity level, so as you heat up, it lets out warmth. ColdGear® Reactor intelligent insulation adapts to any activity for non-stop comfort & total versatility Lofty insulation with quilting that traps heat, but still allows air to flow so you don't overheat UA Storm technology repels water without sacrificing breathability Smooth, ripstop woven fabric is lightweight & extremely durable Generous funnel neck collar for added coverage & comfort Secure, zip hand pockets Style #: 1342792 Ribbed cuffs, hem & collar detail 100% Polyester Imported Fitted: Streamlined fit that’s not too tight or too loose. Garment should be washed & dried zipped up Machine wash cold on gentle cycle with like colors Do not bleach Tumble dry low Do not iron Do not use softeners Do not dry clean