- AC/DC For Those About To Rock design - Speckled, charcoal babygrow - Fabric Composition 85% Cotton, 15% Polyester - The garment has been pre-washed for extra softness - Features a contrasting red trim - 100% official merchandise. If you know a kid who"s gonna be the next big thing, this babygrow is for them! The iconic logo is taken from the album For Those About to Rock (We Salute You)", which Rolling Stone magazine proclaimed as AC/DC"s best album. Available on limited-edition black speckled marl fabric, it"s the ideal gift for rockstars in the making!. Chest sizing: 0-6 Months = 20"; 6-12 Months = 22"; 12-18 Months = ";