Leather University™
What’s Inside
a Cricket Ball
by Dan Concord
Author, speaker, teacher, and educator on leather working tools and techniques.
Leather University™
Author, speaker, teacher, and educator on leather working tools and techniques.
Cricket is one of the most popular sports in the world, and every match has one thing in common: they all use a leather cricket ball. We will explore one of the most popular balls in cricket, its history, and the manufacturer, and then dive into the leather itself and answer questions like: Who is the tanner? And where does it come from?
Then, we will open it up so you can see from the inside out exactly how they are made, what that leather looks like, and take a fun ride into exploring how leather is used in one of the most popular sports in the world.
The Kookaburra cricket ball has been in use since 1946 when the Australian Cricket Board selected it for use in professional matches. These balls are made from heavy steer hide leather, stitched on heavy-duty sewing machines, and then hand-stitched closed with a linen thread. They are covered with a nitrocellulose lacquer to give them more durability, smoothness, and shine. Around 500,000 are produced each year.
Kookaburra cricket ball leather leather generally comes from the Packer Leather tannery in Nuremberg, Australia. It then travels around 1000 miles south to the Kookaburra manufacturing plant in Moorabbin, Australia. The leather used is a first-grade, high-quality steer hide, and most often, it is alum-tanned, a tanning process that uses aluminum salts and produces very soft white leather. The leather is then dyed the classic red color.
Fine stitching is first added by machine for the outer shell pieces, then by hand to stitch the outer shells together. The result is a very soft, durable leather ball. It’s interesting because the ball is tightly wrapped and stitched, and it has a sheen, so it almost doesn’t feel as soft as it likely is. This makes opening it up and seeing the inside all the more intriguing. So, let’s check it out.
The Kookaburra cricket ball features an outer shell with distinct stitching lines, suggesting that the outer shells are stitched by machine and then joined together by hand. A seam-ripping tool can be used to carefully separate the seams to explore the inside of the ball. A hobby knife may also be helpful. It’s important to find a good entry point to open up the seams without damaging the leather. Then, the material can be used for other custom leather goods.
The stitching on the ball is designed to be sturdy, ensuring durability during matches. Using a pair of pliers with serrations provides a good grip, making it easier to work through the tight seams. As the seam-ripping process progresses, the polished surface of the leather will begin to crack, revealing the softer leather beneath. This cracking and wrinkling of the leather highlights its underlying softness, an interesting contrast to its durable exterior.
The internal structure reveals several distinct layers upon opening the Kookaburra cricket ball. The innermost layer appears to be a cork-like material, making up the core of the ball. Surrounding this core is a relatively thick and durable layer of leather. This high-quality leather is designed to withstand the rigors of the game while maintaining its shape and integrity.
Interestingly, a plastic cover is also inside the ball. After removing it, we see the leather bears the word “you.” This raises curiosity about other potential messages hidden within the ball. Additionally, there are markings, possibly drawn as guides for construction. Whether these marks are printed or hand-stitched remains unclear, but they demonstrate the precision involved in crafting the ball.
The internal stitching is visible and highlights the thickness and durability of the leather used in the Kookaburra cricket ball, showcasing the meticulous craftsmanship that goes into creating this essential piece of cricket equipment.
Understanding the leather used in a Kookaburra cricket ball involves examining its thickness, typically measured by weight. Leather sample rings, which provide samples of various thicknesses, offer valuable context. Each sample represents a specific weight, indicating the thickness of the leather. Since leather hides vary naturally, the thickness isn’t uniform throughout.
By examining and feeling the leather in the cricket ball, it’s estimated to be around 6 to 7 ounces in weight. The beveled edges and stitching make precise measurement challenging, but comparing it to the sample ring gives a good indication. This thickness is likely important for the ball’s durability and performance on the field.
Upon re-examining the leather surface of the Kookaburra cricket ball after partial deconstruction, it’s clear that the finish is prone to cracking. Initially smooth when dry, the surface begins to crack with even slight movement, revealing the softer leather underneath.
Next, let’s check out if there are any more words to our clue.
Upon examining the second half of the cricket ball, there was another plastic protective coating. Underneath it, the leather again has the word “you.” So, at least it’s consistent with the first leather piece.
It appears that four panels are stitched together, coated, and then stamped. This process is so precise that the stitch marks on the sides are barely visible. On the very inside is the core, which resembles cork. Let’s pop it out and see if there is a hidden message on those leather pieces.
I’m curious if it will easily pop out or require some stitching to remove. Let’s give it a try. Ah, there it is — a cork center and on the inside of the leather, the word “you.” I was half-expecting a hidden message, maybe a friendly “hello to you” or something similar.
Needless to say, the leather inside is surprisingly thick, with heavy stitching that enhances its durability. Despite its thickness, the leather feels remarkably soft. You can also see it was dyed on both sides, and the original color from the alum tanning process is still in the middle.
Exploring the inside of a Kookaburra cricket ball reveals the intricate craftsmanship that goes into making one of cricket’s most essential pieces of equipment. If you have any questions or more insights to share about cricket balls and leather, definitely do.
And there you have it. Until next time.
Dan Concord is a professional leather crafter with 15 years of design experience and expertise. He is founder of the successful Liberty Leather Goods studio, and also a published author, speaker, teacher, and educator on leather working tools and techniques. He lives in the USA.
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