This is the Aqualung 3mm Ergolo GRIP Sock Scuba Diving Snorkeling Boots Booties
Features:
Ergonomic left and right foot shape
Durable elastic bound cuff
This sock DOES have Silicone Grip on the bottom
3mm neoprene
The Low Top Ergo Neoprene Socks are designed for comfort. The ergonomic left and right foot specific design reduces bagginess for a warm and smooth fit. The sock helps prevent blisters while wearing open heel fins and protects your feet from hot surfaces in the sun.
