Just remember that gloves start at Level 5, then level 10, and in increments of 5. The middle pieces follow, Chest piece and Pants, which are always one level above the gloves. So they would be Level 6, Level 11, and in increments of 5. Then the last, the outer pieces, head and boots, are one level above the shirt and pants. They would be Level 7, level 12, and in increments of 5.

Easy way to remember them, once you memorize the sequence.

COLLECTOR RYL - Located at the North Gate Intersection. He can change any class of armor to another class. You can change any armor from level 25 to level 73. For example, you have a Level 41 +1 Sorcerer weapon. You can change it to a Level 41 +1 Dual Swords. The only things that are lost are the blood seals but the upgrade or + stays on the weapon.

TRADERS - You can go to the traders in Randol, to search for you armor now and if any is available. You might find it easier to buy upgraded armor. Then the next level you buy, you can always sell your old armor now.

REPRODUCTION MANUALS - You can acquire a manual and go to the Master of Processes at the North Gate intersection to make any armor you want depending on the book you have. Once you collect the materials you must have the appropriate level of armor smith to make it or have a trusted friend with the armor smith level to make it for you. If the attempt to make the armor is successful, the book and materials disappear. If it is a failure, then the materials disappear but you still have the armor reproduction book.