New Under Armour Girls' ColdGear Long Sleeve Mock T Shirt Size X Large White Green Black Volt Push button size adjustable Warm Black Gold Push button size adjustable Warm Features new lightweight iX3 breathable technology Adjustable arm pads to customize the fit to your specific needs Lined with CoolMax fabric for moisture management Removable sizing plate included Perfect combination of plastic and three layer foam for unsurpassed protection and comfort brushed interior & a smooth fast drying exterior 4 way stretch construction moves better in every direction Material wicks sweat & dries really fast Anti odor technology prevents the growth of odor causing microbes Updated mock neck construction sits slightly away from skin for a more comfortable fit