Go far, run fast. These adidas by Stella McCartney shorts will keep you focused when it matters most. Lightweight yet durable, they beat the heat with HEAT.RDY that keeps you cool mile after mile. The high-rise waist offers support but stays flexible for freedom of movement. Reflective tape helps you stay seen in early-morning or late-night hours. Inspired by the high vibrations of running, the design details evoke a sense of speed with their lines.