Introduction 3D Rail Protection: Completely seamless rail construction provides a continous foam layer that contours and fits snug to the shape of your rail Contoured Stretch Fit: Uses a unique “Armadillo” strip that provides ventilation and ensures a snug and secure fit around your board Expandable Fin Wing: Gives you the option to carry your board with or without fins Ergonomic Shoulder Pad: Provides the ultimate in comfort and support. Double layered and vented Non Corrosive Zippers: Built for strength, durability and resistance to seizing caused by salt water corrosion