Toyo Observe G3-Ice Tires are On Sale and Ship Free! Designed for tough winter conditions, the Observe G3-Ice combines excellent performance with driving comfort. For areas that experience severe winters, this tire can be studded for added traction on ice and compacted snow. Optimized stud hole placement delivers better traction and a quieter ride with fewer studs. Observe G3-Ice shown with winter studs. Pinned to accept TSMI #11 studs.