The Under Armour ArmourVent™ compression t-shirt features Under Armour's unique ArmourVent™ mesh panels that deliver serious Versatility, in a light, durable, fast-drying and light fabric. The Compression top has a unique fibre called HeatGear fabric, with this engineered mesh, it is body-mapped to deliver strategic ventilation for the finest fit and comfort with minimal weight and maximum breathability, combined with anti-odour technology helps keep the garment fresh and clean. The fabric is constructed to allow 4-way stretch for optimum mobility. This fitness t-shirt also comes with moisture wicking and heat management properties allow sweat moisture to evaporate.