Decoding Under Armour Youth Sizes: A Deep Dive into “Youth Small” A Youth Small Under Armour generally corresponds to sizes suitable for children aged 6-7 years old. However, it’s crucial to understand that age is just an approximation. Under Armour youth sizes rely primarily on height and weight measurements for a more accurate fit. A ... Read more The post What size is a youth small Under Armour? appeared first on GB Times.