Weight: Carbon fiber is roughly a third lighter than fiberglass. Every gram saved increases performance and opens opportunities for design advancement not possible with lesser materials. Understanding the key differences between plastic, fiberglass, and carbon fiber fins is essential for selecting the right gear for your spearfishing needs. Each material comes with its own set of characteristics that cater to various diving styles and experience levels. Here are the primary. In my opinion the big difference is carbons are $500 more,scratch easy, and are more prone to breaking. They are lighter and feel better for sure but I would recommend a good aluminum AFTCO gaff as they are tried, true, and don't break! Oh. As a carbon fiber engineer, I've worked extensively with both materials and understand their. fiberglass is tougher, will withstand impact damage better and is more resiliant that carbon fiber.
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