Will usually ship next business day after payment. YOUTH sz. MEDIUM. Approximately a YOUTH sz. 10. Approximately 17.5" from armpit to armpit and 23.5" from top to bottom. 100% authentic. Navy Blue color. Not a recent design. Please ask any questions before purchasing. No returns for fit, etc.These are not recent designs and will probably appear different in some ways than newer shirts. Please note this before purchase.