The Black Gold Loose Chalk is Black Diamond's premium chalk that absorbs twice the moisture than other chalk for climbing. Its Pure Gold is a concentrated form of hyper-absorbent magnesium carbonate, and Black Diamond added Upsalite for even better moisture absorption.
Black Diamond's premium chalk scientifically engineered for climbing
Super porous Pure Gold magnesium carbonate containing Upsalite
Comes as loose chalk in 30g, 100g, 200g, or 300g packets