The 400M Challenge is more than a T-shirt—it’s a statement that age is no limit to ambition. Inspired by my journey back to the track at 55, this shirt represents resilience, discipline, and the courage to challenge yourself at any stage of life. Whether you're chasing a personal goal, starting a new chapter, or proving that your best days are still ahead, wear the challenge and show the world you're not done yet. Your age is a number. Your ambition is a choice.

• 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
• Blank product sourced from Nicaragua, Mexico, Honduras, or the US

Disclaimer: The fabric is slightly sheer and may appear see-through, especially in lighter colors or under certain lighting conditions.

This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!