Check the listing for details. Supernova Junior Horse Stirrup Safety Stirrups. Condition: New, Made in Italy. Listed at 211.77 USD. Equestro Supernova safety stirrups with lateral opening, an innovative and safe solution for horse riding enthusiasts. These stirrups are made with a combination of high-tech materials, including metal components, polyphenylene sulfide and silicone, ensuring maximum reliability and resistance. Specially designed to provide maximum safety on horseback, the stirrups feature a patent for lateral opening, which allows for rapid release of the foot in emergency situations. The opening given by the interchangeable silicone arm can be carried out in all directions to further improve correct operation. The wide tread is equipped with a highly resistant grip, offering a firm and stable grip. This innovative design ensures a perfect fit of the foot, contributing to greater safety and stability of th.