Altoona Curve Youth Crewneck crafted from a comfortable 50/50 cotton and polyester blend. This preshrunk fabric resists shrinkage while maintaining softness and durability through repeated wear and washing. The classic crewneck style offers versatile everyday comfort for young fans. Perfect for showing your Curve pride in a reliable, long-lasting piece. Officially Licensed Product. The Altoona Curve is the AA MiLB affiliate of the Pittsburgh Pirates.