These 2021 special edition Ledgstone discs will show sold out until the release date/time of 2/26/2021 at 1pm EST. The Heat™ debuted as the 2014 Ace Race proto and quickly caught fire with players for its control, glide and distance at slower arm speeds. It has a smaller rim for easier grip, and is being hailed as a breakthrough in delivering improved distance for new and developing players.