Neoprene socks for general use such as swimming or using with dive or bodyboard fins to prevent rubbing. The flatlock seam construction makes them perfect for summer. Features include: 100% Flex Free neoprene - combines flexibility with durability; great in areas prone to high wear and tear. Thermo Tech Poly Pro lining - a flexible quick dry thermal lining for added warmth and performance. Lycra bound edge - provides strength and durability to cuff edge. Glued & bildstitched seams - a watertight method of construction that results in superior warmth and maximum comfort. Dura Flex sole - anatomically structured fit with great durability, protection and comfort. True thickness - a warmer thicker product that doesn't mislead customers.