Under Armour Microthread Top - Fitted: Next-to-skin without the squeeze. - UA Siro uses a unique construction to give you greater stretch & recovery, ultra-soft feel & more breathable performance - 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 - Princess seams create a slimmer, more streamlined silhouette - Unique, curved V-neck - Raglan sleeves - Dropped hem for superior back coverage - 93% Polyester/7% Elastane