I have mine all to the set but I am considering ordering a heavy military kilt set to the stripe in My old Shen's regimental tartan. (Liverpool Scottish rifles based on a brown Forbes Tartan)

I must admit many tartans are not very suitable for a stripe and I dislike the Box pleat personally preferring the sway of the knife. I have seen many folk ordering a kilt for a wedding and seriously misjudging these things. Presumably based on only wearing them once or twice for a wedding.

You need to evaluate the set before deciding. Military patterns are obviously a good choice for the stripe.