Limited edition Baraboo Thunderbird blue and gold GPOE shirts! Perfect for supporting our school district at sporting and academic events! Shirts are a blend of 50% polyester, 25% cotton, and 25% rayon, making them super comfy, very soft, and light. They are available in an assortment of sizes. Kids sizes are 2T, 3T, 4T. Size 2, Size 3, and Size 4. Youth Small, and Youth Medium.