Best for: Leather is our OG material. It’s best for athletes who want a natural material and appreciate the time-tested standard of high-quality leather. These grips will break into your hands over time, are made only for Speal bars, and must be used with chalk. Thickness: 2.2mm Protection: Highly Protective Volume: High Volume Bar Type: Speal Bars Chalk Compatibility: Best with Chalk Our V-Series wrist design is designed to hug your wrist and evenly distribute force at the right angle, giving you the most comfortable, durable, and supportive grip design ever.