I have noticed on several forums etc that many people recommend bringing extra socks and sock liners. What type of socks and what are sock liners? Also took my daughter to WP to get boots they had to order correct size. They had her try on a pair of "issue" ones for sizing as they didnt have the Bellevilles in her size. The ones she tried on (which she was told would be the type she would be issued on R-day) were uncomfortable and didnt seem to fit well around her heel. My question is... do they get a choice of issued boots on R-day? She would prefer to get ones like she ordered.