The Rebar® Foundation 14 Zip Shirt has a slightly tougher exterior than the inside, which is nothing but the softest brushed jersey. Inside and out, it's perfect for layering under a hoodie or jacket. Rebar Foundation 14 Zip Shirt Product Features : ClimateTEK™ dynamically responds to your body temperature to keep you cool when things heat upMoisture Movement Technology™ helps wick moisture away from the skin to keep you dry and comfortableGreater Arm Mobility™ helps extend arm and shoulder range-of-motion so you can move freelyStain-repellent finish helps keep fabric looking clean and easy to maintain through repeated wear, Quarter-zip frontLong back hem helps provide extra coverage while you bend, stretch, or reach, Reinforced chest pocket Men's Rebar Foundation 14 Zip Shirt in Tiger S Eye, Size: Large_Tall by Ariat