That sounds like Orvis's Easy Cast, as they sometimes labeled it. I've had two of them. They're a lot like other shortish-midbelly lines like the Rio Windcutter, Airflo Delta, and other brands. If the line size fits your rod, they're easy casting, very useable floating spey lines. They work best on short (even switch) to medium length rods.
The times I visited the Muskegon and NY's Salmon river I used a short belly and a 13' rod. In my case the line is/was a Delta Multi-tip 6/7. It is 50 feet (back taper included) and 490 grains. The tips I use are Rio 15 DC - 70 and 80 grain.
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