I am not reviewing the item in the picture, even though it is what I ordered. Someone pulled a swticheroo, and I did not realize it until writing this review. (I did wonder how I had gone so wrong on my order, LOL) The item I received had a 2-inch gusset (not 4); a fitted skirt (that I did not want); black piping (the one I ordered had white piping) and was of a lesser weight. But the substituted item is OK... it is fulfilling its intended use. I ripped off the skirt and cut it up into a shape to fit a boat v-berth. It is covered by sheets so the black piping doesn't show. It improves the rock-hard boat mattress. I am giving a mediocre rating because that matches the product I received. The deep 4-inch side gusset feather bed may deserve a 5 star rating, just wish I had one to evaluate!
I bought this as an inexpensive topper for a boxspring while waiting for a new mattress. What a surprise. This is so comfortable and plush, it doesn't need a mattress under it! It was less expensive than a foam mattress topper and is much more comfortable - even more comfortable than the expensive feather bed I bought for the guest-room. A great buy.