These winter bib tights are in BEHOT® by SITIP, meaning heating and temperature control. Winter Band use the BeHot Heat Generation technology. Technological evolution developed by Sitip in collaboration with the Japanese company Ashai Kasei. The same properties as the Asso plus fabric that reduces entropy; that is, loss of information which in thermodynamics means loss of heat. Silicone gripper around the ankle, 3D appliqué logo.