Is running your passion? With the X-BIONIC® INVENT 4.0 RUNNING SPEED SHORTS WOMEN, you can rely on high-tech comfort to enhance your performance. The lightweight models from the X-BIONIC® 4.0 generation are specially designed for female runners. The shorts feature ultrahigh-resolution Retina® technology and have precisely defined functional zones for performance-enhancing temperature regulation. The Two-Step Front 3D Bionic Sphere® system at the lower abdomen and the optimized 3D Bionic Sphere® system at the coccyx are highly active areas that ensure effective temperature balance in the ultrathick knit. The proven Innerlap Airconditioning Zone on the inside of the thighs and the targeted insulation of the Iso-Pads provide optimal climate and wearing comfort.