75mm tall with a Contact Patch (width of wheel in contact with ground) of 56mm. Available in 3 durometers: 80a (Orange--softest), 83a (Purple--harder), and 86a (Yellow--hardest).
These wheels are intended for grippy hard carving, pumping and speed. They will slide when broken in, but they aren't freeride wheels. The In Heat features an offset design, with hard sharp edges for grip, thick lips for maintaining speed, and rippled inner walls for progressive energy return.