Under Armour Kids - Tech Block Printed Short Sleeve (Big Kids). Color Castlerock/Red Solstice. On sale for $18.75. MSRP $25.00.. 4.9 out of 5 stars+3Brand NameUnder Armour KidsProduct NameTech Block Printed Short Sleeve (Big Kids)GenderMen'sColorCastlerock/Red SolsticePrice$18.75MSRP: $25.00Rating5Rated 5 stars out of 5(97)