Invent 4.0 Bike Race shorts by X-Bionic. Super light products that is super functional at the same time. Two-Step Front 3D Bionic Sphere® system on the front and rim, optimal 3D Bionic Sphere® system on the tailbone provides better thermoregulation. System 3D Bionic Sphere® cools your body down when you sweat and warms it up when you rest. Sweat Traps® absorb the excess of sweat ensuring the evaporation. The shorts are equipped with anatomically shaped insert designed for women that ensures perfect comfort and ajdustment. X-BIONIC Invent 4.0 Bike Race shorts RTB500S19W-b002