The shoulder bag might be a bandolier {but I'm with you, it's probably Givenchy classic $600, shoulder bag}. Bless his sweet heart.
“Pith helmet short shorts and an shoulder bag”
The shoulder strap is for the camera bag.
The hat is a sunfari, made for hot, sunny climates.
The picture was taken in Arizona, temp, 106.
http://gunwatch.blogspot.com/2014/09/azopen-carry-at-krogers-frys.html