Men's UA RUSH™ Seamless Long Sleeve 1361135-690UA RUSH powers your toughest workouts, your biggest games, your most intense training. It gives you back energy, fits great, keeps you dry, and makes you feel like you can crush every PR. UA RUSH is infrared technology that reflects your body's energy to help you work harder & recover faster Soft knit fabric with engineered mesh ventilation, mapped to the places you need it most Nearly sew free construction to eliminate chafing 4 way stretch material