Wetgear Ripflip Walkable Men's Fin Shoes Patented Elevated Fin Blade - Enables you to walk, jog, climb and swim all in one! Vibram Megagrip Sole - Best non-slip grip sole for all types of terrain. 3MM Neoprene Sock - Offers protection, comfort, flexibility and secured snug fit is recommended for best performance. RIPFLIP Fully Integrated - No adhesives to ensure bonding strength and durability. YKK Zipper #10 - Highest quality for easy foot entry and exit.