The QUIVA, Operating theatre clogs. Thermo-plastic anti-static operating-theatre clogs with closed front upper and lateral perforations to allow for a good foot ventilation. Autoclavable up to 135°C degrees in autoclave & washable up to 90°C degrees in washing machine. Movable and adjustable back strap. Very slip-resistant insoles with patented abrasion alert system 'Sentry'.