To get that custom fit for your Warrior CF 100 Hockey Helmet, check out the following steps.
Warrior CF 100 Custom Inserts Moulding Instructions
Step 1: Remove both helmet liner inserts and place on a baking tray
Step 2: Pre-heat oven to 200F (94C)
Step 3: Place the helmet liners and baking tray in the oven for 5 minutes
Step 4: Remove the baking tray with the liners using an oven glove, not your hockey glove
Step 5: Put the liners back into the helmet, adjust the helmet tightly and wear it for 5 minutes
CAREFUL: The helmet liners will be hot out of the oven