Goalies can wear any number but it is most common for them to wear the number 1.
Number 63 is a rare jersey number for the sport of hockey. No goalie has every worn the number, but stars such as Brad Marchand have.
Goalkeepers usually wear jersey number one 1.
No, a goalkeeper can wear any boot they want, there are no special boot designed for keepers.
Soccer goalies usually wear a goalie jersey which is usually bright and a different color than the team so they can tell who the goalie is. The wear regular atheletic shorts or padded goalie shorts or pants.(i prefer pants so you dont scratch up you knees real bad when you fall) they also wear padded goalie gloves so they can catch the ball easier. It is also a good idea to wear a mouthguard too
As long as nobody else in the team is wearing it, any number is fine. You probably won't be that lucky since most teams go from 2 - 16 for field players.
All goalies wear masks (unless there's a distinction here between masks and helmets). In any case, the first goalie to wear a mask was Jacques Plante.
Yes, as long as they are in the goalie box
The main thing is for you to be comfortable while playing, so you can do it really any way you want. You might prefer to wear compression shorts against your skin and then the goalie jock on the outside. Or you might prefer to wear only the goalie jock under your uniform. It just depends. Try the layers a few different ways and see what works best.
Nikolai Khabibulin was the goalie that wore number 34 for the hawks, but later changed it in a different season to number 39.