Yes, they should get at least one season’s worth of wear from a coat or a jacket. This depends greatly on the size when it was first obtained. If the garment is tight when you receive it, then no, it will not be suitable for several seasons of wearing. Some parents order the next larger size for coats and jackets to give the child extra time to wear it. By simply rolling up the cuffs on the sleeves that may be too long for the first season, you will smartly get more than one season of wear from a jacket or coat for an infant.