Spider Chalk Mega Blocks - PRx Performance

Spider Chalk Mega Blocks

Be Different

Chalk up! We are proud to offer the only athletic chalk manufactured right here in the United States. Used by top athletes, Spider Chalk is super high-quality chalk that helps with your grip for bench pressing, dead lifts, squats, bar work, rings, and more. Light, easy to apply, and a higher grade than any other chalk out there! Spider Chalk contains pure magnesium carbonate with no fillers, additives, or drying agent which means it sticks better and lasts longer than other chalk.

Try this chalk and feel the difference!

  • Better Grip
  • Less Brittle
  • Lasts Longer
  • Denser (lasts 2x longer than regular blocks!)
  • No Fillers

Spider Chalk is manufactured in the USA.


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