The Seac Sub Anatomic 3.5mm Socks are a design for use with full foot fins in temperate water conditions. Sock is made from 3.5mm nylon lined neoprene with a smooth skin top for a better seal to reduce water exchange when the full body jumpsuit is layered over the boot top. Sock has durable Supratex sole for strength and durability. Lower seams are glued and blind stitched for added comfort. Socks are black in color and are available in multiple sizes.