Color-Changing, sweat-activated (hydrochromic), glow-in-the-dark, and custom medal innovations create unforgettable moments for participants and sponsors Color Changing T-shirts and Medals X T-shirt Unveils Color-Changing Shirts and Color-Changing Medals for a New Era of Endurance Events Dongguan City, Guangdong, China, Aug. 20, 2025 (GLOBE NEWSWIRE) -- X T-shirt, the creator of Magic Race Shirts and innovative race medals, is redefining the way endurance events engage participants and sponsors. With app ...