Under Armour Men's ColdGear Infrared Mock Long Sleeve Top Shirt Size medium Lichen Blue / Black Fabric Type: Polyester/elastane Care Instructions: Machine Wash Dual-layer fabric with an ultra-warm, brushed interior & a smooth, fast-drying exterior ColdGear Infrared technology uses a soft, thermo-conductive coating to absorb & retain your body heat Material wicks sweat & dries really fast 4-way stretch material moves better in every direction Mock collar for added coverage & protection Great condition!