Sporty men's training top from Under Armour® with ultra-lightweight HeatGear® fabric provides excellent coverage without adding weight. Mesh panels under the arms and back for strategic ventilation and the material wicks away sweat and dries very quickly. The training top is particularly suitable for the gym and for jogging. Ergonomic design with seams outside high wear areas for increased durability. Machine washable. 84% Polyester, 16% Elastane. Stay cool, covered, and comfortable with the Under Armour Heat Gear Compression Sleeveless top in White/Black, UA's original performance baselayer. With its tried and tested ultratight fit, the Under Armour Heat Gear Compression Sleeveless top provides lightweight, sweat-wicking 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. Anti-odour technology prevents the growth of odour-causing microbes. Ergonomic design keeps seams off high abrasion areas and increases durability. Hybrid raglan sleeve construction for added range of motion and comfort. Write-in 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 non-chlorine bleach when needed. Tumble dry low. Do not iron. Do not use softeners. Do not dry clean.