FrictionLabs chalk is designed to help you climb at your limit and to climb that way consistently. This chalk will give you unrivalled moisture absorption and skin health compared to other generic chalk a lot of climbers are used to. Like a high-performance climbing shoe, high purity Magnesium Carbonate in FrictionLabs chalk makes a single application far more efficient, giving you the extra edge to focus on sending not slipping. This chalk is available in a fine, chunky, and super chunky consistency. Available in 1, 5, and 10-ounce bags.