MLB jersey sizing

product description: COMFORTABLE FIT: These sleepwear Pajama Loungewear Pants are made from 60% cotton and 40% polyester and feel super soft and comfortable on the skin. Your go-to Pajama Pants for sleeping or doing nothing around the house.{Fabric} 100% polyester, our 90s Football Jerseys are crafted from lightweight material, offer you superior comfort, perfect for spring, summer and fall.Machine Washable And Hand Washable, Do Not BleachOfficially licensed by the MLB