What is double shirt?
Double Shirt is three men's shirts which can be changed to fit different situations.
How does double shirt start?
Double Shirt starts with people need change shirts to go different places in a work day but they don't have time to change clothes or don't want to carry clothes with them.
Double Shirt solves the problem with making shirt parts changeable, so people need to wear only one for different situations.
Double Shirt allows to buy one shirt instead of two.
Double Shirt allows to just wash cuff and collar frequently.
Double Shirt provides easily replaceable shirt parts.