Yes, it’s BYO chalk bag, and good ones have wide mouths so you can get your hand in and out with ease. We like this bag from new upstart Sublime ($27, sublimeclimbing.com). For the perfect grip, go with high-performance chalk from Friction Labs (from $10, frictionlabs.com), which comes in various forms from superfine to extra chunky. “I like my chalk like my peanut butter—a little chunky,” Stewart says, laughing.
For access to exclusive gear videos, celebrity interviews, and more, subscribe on YouTube!Back to top