The Rebar Foundation 1/4 Zip Shirt has a tough exterior with nothing but the softest brushed jersey against the skin. Inside and out, it's perfect for layering under a hoodie or a jacket. 7 oz melange plaited knit. Greater Arm Mobility(TM) lets you move freely. Moisture Movement Technology(TM) helps keep you dry. ClimateTEK(TM) dynamically responds to your body temperature to keep you cool when things heat up. Stain repellent. 1/4 zip baselayer. Drop tail hem. Additional pocket welt.