Q1: For creating the overall outfit how much does the material the clothes are made from make a difference? Q2: What are levels of formality when it comes to material the clothes are made from (ex: polyester low end upper end leather etc)

Good evening, What is a “rain” jacket. Is it a style of jacket or what the jacket is made out of?

Good afternoon gentleman, I am in the market for a solid pair of white shoes, that are flat top, lace ups, canvas. What would be some good recommendations?