Personalized Prayer Power Gold Youth Long Sleeve T-Shirt. Christian and Catholic Youth Long Sleeve T-Shirt - White for prayer warriors and people of faith for your next bible study or fellowship meeting says Prayer The Most Powerful Weapon with Calvary cross graphic. Perfect to profess your faith. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)