These totally cool bike shorts do keep you cool and dry under toughest conditions. The knitted X-BIONIC bike shorts combine Fennec and Xitanit to reflect heat and distribute perspiration optimally over the whole surface of the body. The tightness and compression of these bike shorts supports muscles and joints, helping you generate extra power. Instead of sewing anatomical seat cushion, X-BIONIC recessed it into the shorts. Main features include 3D-BionicSphere System on the back to provide cooling, Equilibrate stretch jacket with 6-dimensional elasticity, 2 step front 3D-BionicSphere System in the groin area as well as specially designed anti perspiration 3-D construction in hip area. X-BIONIC. Also, X-BIONIC shirt.