Here's what you need to know.
The Trail Shirt – has a straight collar and elbow patches with one button-through pocket.
The Fireside Shirt – has a button down collar and one plain pocket.
The Lodge Shirt – has a straight collar and one pocket.
The Field Shirt – has the two button-through flap pockets.
The Board Shirt – the shirt prized by the Beach Boys, has a straight bottom, sport collar and two flap pockets. This shirt works as a shirt or a casual jacket.
The High Grade Western Shirt – has a snap front and cuffs with front and back peaked yokes.
This is awesome. One question: What do you mean by sport collar?