NFL jersey sizing

product description: Officially Licensed FIFA World Cup ProductDESIGN — Features long sleeves, rib-knit crew neck and cat in stocking graphic design at frontMaterial&Size: Suit for 3-6 years old boys girls. The Kids Soccer Socks are made of soft and comfortable combed cotton, durable and skin-friendly. It's not easy to rub the skin and has a good sweat absorption effect, durable and never go out of styleJoão Félix #14 Pressed on The Back