BRAVE SOULJack' Brushed Flannel Check Shirt - Long Sleeved

Hi, I'm looking to become a hipster - is this the right shirt for me?

What size do i order for a 48" chest?

What size is this shirt? It wont let me input the size I want.

is the a massive white pannel on the inside so you can only have it done up??y? are the cuffs massive not a normal size ??y) cant roll sleeves up?y)