Under Armour HeatGear® Sleeveless Men's HeatGear® is our original performance baselayer—the one you put on first and take off last. So we made it extra comfortable by wicking sweat and stretching so you can move no matter what. Super-light HeatGear® fabric delivers superior coverage without weighing you down Mesh underarm & back panels for strategic ventilation Material wicks sweat & dries really fast Ergonomic design keeps seams off high abrasion areas & increases durability Hybrid raglan sleeve construction for added range of motion & comfort Stay cool, covered, and comfortable with the Under Armour Heat Gear Compression Sleeveless top in BlackWhite, UAs original performance baselayer. With its tried and tested ultratight fit, the Under Armour Heat Gear Compression Sleeveless top provides lightweight, sweatwicking coverage without distraction.The refined design keeps seams away from high abrasion areas, reducing irritation and also enhancing durability.Mesh underarm panels provide targeted ventilation, while the stretchy material construction and raglan sleeves allow free movement whatever your sport. Compression Ultratight, second skin fit Superlight HeatGear fabric delivers superior coverage without weighing you down Mesh underarm and back panels for strategic ventilation Material wicks sweat and dries really fast Antiodour technology prevents the growth of odourcausing microbes Ergonomic design keeps seams off high abrasion areas and increases durability Hybrid raglan sleeve construction for added range of motion and comfort Writein locker tag on back of neck for your initials or number Body 84 polyester, 16 elastane Mesh 92 polyester, 8 elastane Machine wash cold with like colours Use only nonchlorine bleach when needed Tumble dry low Do not iron Do not use softeners Do not dry clean