The Avia QuickFlash Active Sneakers in men's size 11.5 feature a stylish black and green colorway with a lace-up closure for a secure fit. These athletic sneakers are lightweight and breathable, making them ideal for everyday wear and various activities such as gym training, walking, weightlifting, and running. The colorful theme of the QuickFlash line adds a fun and vibrant touch to your activewear collection, perfect for the spring, summer, and fall seasons.