I've tried out all kinds of multifiliments (nxt, sensation, nrg2, silent partner) and none has the feel of the biphase. I think it actually has better feel than even a nat gut (Wilson). I have used 18g biphase both in a hybrid and by itself. I loved the feel of it by itself, but durability is a problem. One set I had broke 3 games into a match. So now I use it with black code 18g in a hybrid and I love it!