Batwing Chaps

Some articles on chaps, batwing:

Equestrian Chaps
... Shotgun chaps, sometimes called "stovepipes", were so named because the legs are straight and narrow ... Shotguns do not flap around the way the batwing design can, and they are also better at trapping body heat, an advantage in windy, snowy or cold conditions, though unpleasant in very hot or humid weather ... Shotgun chaps are more common on ranches in the northwest, Rocky Mountains and northern plains states, as well as Canada, and are the design most commonly seen in horse ...