T-shirt Gym Inspiration\Fitness\ pain is proof of progress

Push through the struggle — you're growing. 💪🔥 This bold "Pain Is Proof of Progress" t-shirt is made for the grinders, lifters, and fighters — both in the gym and in life. Whether you're smashing your fitness goals, overcoming challenges, or powering through emotional growth, this shirt reminds you (and the world) that every bit of pain has a purpose. With a strong, minimalist design, it’s perfect for gym wear, training days, or simply as a reminder that strength is built through struggle. 🎯 Ideal for athletes, fitness lovers, bodybuilders, mental health advocates, and anyone embracing self-improvement.