For a relaxed casual ensemble with a contemporary spin, consider pairing a white dress shirt with blue jeans. If in doubt about what to wear in the footwear department, go with black leather casual boots.
White Dress Shirt with Blue Jeans Casual Cold Weather Outfits For Men
Why not go for a white dress shirt and blue jeans? As well as very comfortable, these items look awesome paired together. For a more relaxed take, why not complement this ensemble with tan suede desert boots?