District® Girls The Concert Tank?. DT5301YG. Rock steady in this versatile tank. 4.3-ounce, 100% soft spun cotton, 30 singles 50/50 soft spun cotton/poly (Neon) 90/10 soft spun cotton/poly (Heather Grey) Tear-away tag Due to the nature of 50/50 cotton/poly neon fabrics, special care must be taken throughout the printing process.