Make low-light situations a lot safer with the Wrightsock Eco Run Reflective Socks Medium AU 4-7.5 Mens/6.5-9 Womens. With this sock we’ve bonded glass micro beads to the yarn to create a 360-degree reflective stripe around the top of the sock. Constructed with Repreve recycled polyester yarn, these socks are amazingly comfortable AND sustainable. It’s a breathable, lightweight, double-layer sock and is designed for a low-profile performance fit and is ideal for running and walking.