I'd think about the time of day and how the sun is hitting, midday brightness often isn't the best option (so the shoulders and top of the hat aren't white instead of blue). Otherwise it might be a little tight, could have been better with all of his left arm in the frame, and when there's a geometric pattern like a fence it can be more noticeable if it isn't completely straight. You filled the frame nicely with him and the fence as background, it seems spaced nicely.