I like the lighter full foot for snorkeling and the open with booties for scuba.
im wondering if there are downsides to open heel fins
So i bought Open Heel Avanti quattro my mares and did two dives with them and snorkeled with them. They are absolutely awesome and am incredibly pleased.
As long as the water is warmer than 71F full foot fins are the best as they get on and off fast and dont waste time and save $. Im a PADI instructor and full time AQ diver in Hawaii and I use the Mares Avante Quatros. They are the best for diving in current