Not all the skates from the best hockey skates 2021 can be heat molded or baked. The general rule of thumb is that higher-end skates and some of the mid-range ones, especially the advanced level hockey skates can be baked to ease the break-in period so that they can become more comfortable faster without hurting and also fit the foot better.
You must check with your retailer or manufacturer to know if the model that you have chosen can be baked. Low level or recreational hockey skates when baked can break down faster, reducing their life and their ability of foot support.