Personalized Marching Band Pressure Egghead White Text Long Sleeve T-Shirt. A Marching Band egghead with We don't crack under pressure in curved text is a humorous gift design for marching band members and staff. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL