Your connection to the rock is everything. It's the final, critical link between your strength and the send. Performance Chalk is engineered for that single purpose, to create the most reliable grip imaginable. We use ultra-pure, magnesium carbonate, no fillers, no drying agents, no unnecessary additives. Because your focus should be on the crux, not what's in your chalk bag. This isn't just chalk. It's a crucial piece of equipment designed to perform when it matters most.