The Nike Men's Size Medium Running Shorts in 4" Reflective Flash Black Silver are designed for active men seeking style and performance. Made of polyester material, these athletic shorts feature a drawstring closure, reflective accents, and a solid black color with a silver logo. Perfect for summer and fall seasons, they are ideal for various activities such as gym training, track and field, walking, cross training, crossfit, and running. The Nike Dri-FIT technology ensures comfort and moisture-wicking, making these shorts a practical and stylish choice for any sports enthusiast.