Published by at 24/07/2026 Under Armour Rush HeatGear long sleeve top in black features a seamless, jacquard-knit construction with an intricate tonal pattern. Engineered with Celliant technology, this performance piece is designed to reflect energy back into your muscles during intense workouts. The mock neck and thumbhole cuffs provide extra coverage and a secure fit, while strategic mesh ventilation zones ensure breathability. A subtle iridescent logo on the chest and Rush branding on the back hem complete this high-performance athletic layer.