Lumberjack twill shirt from Superdry. It comes in such great colors.
Shop this look for $140: http://lookastic.com/men/looks/light-blue-longsleeve-shirt-and-light-blue-blazer-and-black-belt-and-white-chinos/2866 — Light Blue Longsleeve Shirt — Light Blue Blazer — Black Leather Belt — White
Nike LunarTerra Arktos. Not a big fan of Nike but I really like the concept of the two separate layers.