Maelreg Dynamic Flex Performance Long Sleeve T-Shirt in Navy Blue Maelreg Dynamic Flex Performance Long Sleeve T-Shirt in Navy Blue. Size XL. This versatile top features a lightweight, performance fabric designed with dynamic flex technology for maximum mobility and comfort. Ideal for sports, workouts, or casual athletic wear. Includes a subtle chest logo and a clean crew neck design. Excellent pre-owned condition with no visible stains, holes, or heavy wear.