It seems like you're asking about a "101st Airborne Division Vietnam Veteran Boy's Short Set." This could refer to a type of clothing set, specifically shorts, that might feature designs related to the 101st Airborne Division, which was an active combat unit during the Vietnam War.
The 101st Airborne Division is a well-known U.S. Army unit that was heavily involved in the Vietnam War. Any product or apparel branded with the unit's insignia or logo would appeal to veterans, their families, and collectors, particularly items like shirts, jackets, or in this case, possibly a boy’s short set that could have military-themed prints such as the division's insignia, patches, or the iconic "Screaming Eagle" logo.
If you're referring to purchasing such a set, it would likely be a military-themed clothing item meant to represent respect for those who served in the division during the Vietnam era. It may be a novelty or collectable piece as well.