Under Armour Run HeatGear Short Sleeve T-Shirt Ultra-lightweight HeatGear fabric - Has a subtle mesh texture and an incredibly soft feel Anti-Odor technology - Prevents the growth of odor causing microbes Superior Moisture Transport System - Helps to keep you dry, comfortable, and cool 360 Reflectivity - Boosts visibility and safety during lowlight training situations UA performance necktape - Adds durability throughout intense movement