✅ 1️⃣ The Grain (Top Layer)

• This is the outermost layer of the hide

• Strongest and most durable part

• Contains natural grain patterns

• Used for Full-Grain & Top-Grain leather

👉 Best for racing suits because it’s tough and abrasion-resistant.

✅ 2️⃣ Grain & Corium Junction

• Transition area between top grain and inner fibers

• Adds strength and flexibility

• Important for high-performance leather gear

✅ 3️⃣ The Corium (Middle Layer)

• Thick layer with dense fibers

• Gives leather its strength and structure

• Often used to make split leather

✅ 4️⃣ The Flesh (Bottom Layer)

• Soft inner part of the hide

• Less durable

• Usually removed or processed into suede

🏆 Leather Types from These Layers

🔥 Full-Grain Leather

• Uses entire top grain layer

• Strongest, most premium

• Best for racing suits & safety gear

👍 Genuine Leather

• General term for real leather

• May include lower layers

• Quality varies

⚠️ Split Leather

• From lower corium layer

• Less durable

• Often used in cheaper products

🏍️ For Racing Gear

Full-grain or top-grain leather is best because:
✔ High abrasion resistance
✔ Strong fibers
✔ Long-lasting
✔ Better rider protection