I purchased one of the new uniform shirts last week, and I can tell you that they are nearly impossible to keep tucked in, even in the most moderate of activities. The new uniform shirt is a good 3-4 inches shorter than the comparably sized old shirt and as others have noted, has the squared-off bottom like a casual shirt, Hawaiian shirt, etc. I talked with a couple of the other leaders in our Troop that had purchased the new ones and to a man, they were having the same problem. We discussed not wearing them tucked in, because with that type of bottom, they are designed to be worn in or out