It's hard to beat the heat in the summer, even on those sun-up and sundown runs. Make it easier on yourself and grab the Darn Tough Coolmax Vertex 1/4 Ultra-Light Cushion Running Sock. It's made with a Coolmax fabric that offers superior moisture wicking to keep your feet dry and happy, and features mesh ventilation panels that boost your breathability even further, ensuring that you can still hit the road even when the temperature skyrockets.