In-Mold Polycarbonate Shell In-molding is the process of bonding the helmet's micro shell to its EPS foam layer to provide a sturdier, more solid helmet. The EPS foam is shot into the thin micro shell cap when it's in the mold - thus the name - rather than formed separately and taped on later. ErgoDial Fit System This system brings one-handed adjustments to their universal fit helmets. A simple press of a button and slide of the dial brings snug and comfy stability. Bell Crash Replacement Scheme If you have an accident in any helmet it's a good idea to replace it. Read more… Bell offers the peace of mind that if you have an accident wearing one of their helmets they will replace it at a reduced price. Find out more here.