The Under Armour Heatgear Armour Long Sleeve Compression Top has been made with HeatGear® fabric as well as the brand's iconic compression fit with ergonomic design seams and raglan sleeves to keep you comfortable all day long, whatever sport you take on. Additionally, sweat-wicking fabric and underarm mesh ventilation ensure you remain cool and dry, while anti-odour technology keeps you feeling fresh. Care Instructions 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.