Give your young fan the timeless look of the Cardinals with the MLB St Louis Cardinals Kids Youth Boys 4-20 Blue Alternate Blank Jersey. Inspired by the official on-field Alternate uniform, this jersey delivers classic Cardinals style in a comfortable youth fit designed for everyday wear. Featuring the iconic St Louis Cardinals logo on the chest, this jersey keeps the look clean and authentic with a blank back design, making it a versatile choice for fans who love traditional baseball style. The crisp Blue Alternate color gives it that unmistakable Cardinals appearance that never goes out of fashion. Crafted from 100% polyester performance fabric, this lightweight jersey is breathable and built for movement. Whether your child is playing ball, heading to school, attending a game, or watching from Alternate, the material helps keep them cool and comfortable throughout the day. The full-button front, rounded drop hem, and official MLB Batterman logo complete the authentic game-ready aesthetic. Youth Size Range (4–20): Kids 4, Kids 5/6, Kids 7, Small (8), Medium (10/12), Large (14/16), X-Large (18/20). Material & Care Instructions: Material: 100% Polyester, Machine wash cold with like colors, Tumble dry low, Do not bleach, Do not iron decoration. Officially Licensed by Major League Baseball. Perfect for birthdays, holidays, back-to-school season, or game day, this Cardinals youth jersey is a must-have addition to any young fan's wardrobe.