Mass = Gas - Adult Tee

Celebrate the grind with this clever tee that salutes baseball's most dominant pitchers. "Mass = Gas" captures the essence of what it takes to throw heat—building serious muscle and strength to dominate the mound. It's the perfect shirt for pitchers who live in the weight room, coaches who demand excellence, and fans who respect the power behind every fastball. 

• 100% combed and ring-spun cotton (Heather colors contain polyester)
• Fabric weight: 4.2 oz./yd.² (142 g/m²)
• Pre-shrunk fabric
• Side-seamed construction
• Shoulder-to-shoulder taping

All orders are typically processed and shipped within 5-7 business days after your order is received (excluding weekends and holidays).

Delivery times vary based on your location. You will receive a notification with tracking information once your order has shipped.