. Under Armour Kids - Tech Block Printed Short Sleeve (Big Kids). Color Racer Red/Black. $25.00. 4.9 out of 5 starsNew Color+5Brand NameUnder Armour KidsProduct NameTech Block Printed Short Sleeve (Big Kids)ColorRacer Red/BlackPrice$25.00Rating5Rated 5 stars out of 5(97)