10mm foam body with extra 5mm nose padding and marine grade zippers, this cover is purposely designed for comfortable travel with two boards. Features Lightweight: lightweight material ?to minimise boardbag weight. 10mm Dual Density Padding on Body: provides an extra tough layer of protection against impact. 5mm High Density Padding on Nose: provides a tough layer of protection against impact. Heavy Duty Nylon Skin: heavy duty outer layer for added protection. Padded Rail Protection: internal layer of protection along the zipper path helps to prevent rail damage. Ergonomic Shoulder Pad: double layered and vented to provide the ultimate in comfort and support. Long-life Marine Zippers: durable, long-life moulded PK Delrin zipper built for strength, durability and resistance to seizing.