Please find attached our size guide for Boardsox™️ Surfboard Covers. HOW TO MEASURE THE WIDTH OF YOUR SURBOARD Important Measure from the middle left rail to the middle right rail of your surfboard - this will take into account the volume of your board. Short Boardsox Width: Will fit up to 53cm or 21 Inch wide surfboard [Our Boardsox short cover is 22inches Wide] Fun Boardsox Width: Will fit up to 58cm or 23 Inch wide surfboard [Our Boardsox Fun cover is 24inches wide Long Boardsox Width Will fit up to 63cm or 25 Inches wide surfboard. [Our Boardsox Long Cover is 26inches wide] HOW TO MEASURE THE LENGTH Length of your SHORT, FUN/HYBRID Surfboard... Up to 5'4ft surfboard = order a 5'4ft Boardsox™️ Cover Up to 5'6ft surfboard = order a 5'6ft Boardsox™️ Cover Up to 6'0ft surfboard = order a 6'0ft Boardsox™️ Cover Up to 6'3ft surfboard = order a 6'3ft Boardsox™️ Cover Up to 6'7ft surfboard = order a 6'7ft Boardsox™️ Cover Up to 7'0ft surfboard = order a 7'0ft Boardsox™️ Cover Any other size please order a custom length if you would like a snug fit Length of your LONG Surfboard Up to 7ft surfboard = order a 7'0ft Boardsox™️ Cover Up to 8ft surfboard = order a 8ft Boardsox™️ Cover Up to 9ft surfboard = order a 9ft Boardsox™️ Cover Up to 10ft surfboard = order a 10ft Boardsox™️ Cover Any other size please order a custom length if you would like a snug fit QUICK REFERENCE GUIDE If you have a custom length, please visit our custom length page or are still not sure please use the contact form below.