Q: How do I measure my surfboard for a cover?

A: Surfboards are measured in three dimensions — length × width × thickness. Here’s how to measure yours:

• Length – Measure from nose to tail, in feet and inches (e.g. 6’0 = 6 feet 0 inches long).
• Width – Measure rail to rail at the widest point of your board, in inches (e.g. 21”).
• Thickness – Measure the board’s depth, usually written as a fraction (e.g. 3 4/6” = 3.67 inches).

Effective Width Formula:
Width + (Thickness ÷ 2) = Effective Width

Example: A board that’s 21” wide and 3 4/6” thick → Half of 3 4/6” = 1.84” → 21” + 1.84” = 22.84” effective width.

This is the true space your board will take up inside a cover.

Q: How does this help me choose a cover?

Pick the Boardsox length that matches or is just above your board’s length. Then check your board’s effective width against the shape guide:

Q: What if my board is between sizes?

A: Always go up. A 6’1” board will fit better in a 6’3” cover than trying to squeeze into a 6’0”. Extra length can be rolled or cinched with the drawstring.

Q: Will the cover stretch for thicker boards?

A: Our 16oz canvas has natural give to fit chunky rails and thicker boards, but if your board is extra wide or thick, choose a Fish or Mid-Length style to be safe.

Q: Still unsure?

A: Send us your board’s exact dimensions (length × width × thickness) and we’ll recommend the right fit. We also do custom covers if your board doesn’t fit the standard sizes.

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Questions? DM us on Instagram or email hello@boardsox.com.au – we’re real surfers and happy to help 🤙