The Borderlands 2 Guide will provide you on how to unlock the customization items in the entire game.
The Borderlands 2 guide will take you through the customization items during the game that will provide you with all the items that you need to collect during the game to be able to unlock the “How Do I Look? Achievement and Trophy. Once you collect all the items in the game for the customization you will need to go to the main menu and see your different types and make it a easier to improve on it and you will be customizing your characters from the hat to what color you want them to have and all the different gear. With four classes to choose from you can have a gear improvement on one or most of them as you move along in the campaign. Also if you are looking to completing the game or getting through some missions then check out the walkthrough and guides to help you along in your own playthrough to complete the game in the most effective way as you go through it.