Dainese Sottotuta Air Skin Racing Undersuit Special underwear designed to maximize usability of the D-Air Racing I.P.S. Biaxial elasticated inserts are positioned to correspond with the inserts of the I.P.S., to enhance torso mobility. Further elasticated inserts are positioned in the groin area to improve lateral mobility of the legs, critical for optimal performance when entering bends. A skillful combination of dual elastic meshes with Sanitized treatment ensures maximum thermal comfort. Ergonomics and Comfort Bi-axial elasticated insert system Breathable perforated mesh with Sanitized treatment