MammutBoulder Chalk Bag

Chalk and send.

The Mammut Boulder Chalk Bag will hold enough chalk to spend a day or weekend sending boulder problems. Its wide base provides a stable platform for all that chalk to rest, while its roll-top closure prevents the bag from dumping chalk all over back of your truck when you're driving back to civilization.

  • 300D Ballshadow fabric
  • Zippered pocket
  • Mesh side pocket
  • Roll-top closure
  • Brush carrier
  • Reviews
  • Q & A

Not what I was looking for

    Was looking for a solid chalk bucket, but this bucket is not what I was looking for. It seems to be a bit small to use as a regular use chalk bucket. It would probably do the job, but not what I was hoping for.

    Awesome bag!

      Holds perfect amount of chalk. It's super easy to carry around I have not used it too much but so far it's one of my favorite chalk pots.


      • Familiarity: I've put it through the wringer

      Perfect size, holds enough chalk (300g) and the design/closure system allows it to get stored/packed away nice and tidy. Minimal chalk spill in my opinion. Like that its fairly self standing and wont "collapse" on you. A couple of nice pockets to hold tape, brushes, nail clippers etc.

      Great Bucket

      • Familiarity: I've used it several times

      I use this little bag all the time bouldering either at the gym or in my backyard. It carries more than enough chalk and is deep enough to completely fit my hands in it. The closure is a bit iffy, but as long as you're not sloppy with it, it's absolutely secure enough to keep chalk from spilling out. I have another chalk bag that rolls down completely 3-4x and is less secure than this one.

      Thanks for the review Paul! Super helpful to get this feedback out to the community.

      Just Right for Me

      • Familiarity: I've put it through the wringer

      I boulder 3-4x a week and I have used this bag for the last month now.

      - Fits all 300g Loose Chalk
      - Big opening - Fits both hands
      - Sturdy base
      - Nice simple style
      - Has an open pouch on one side where I put my phone and keys, other side has a smaller pouch with a zipper.

      - Closure on bag could be better but works, only ways to close the bag is two velcros, and turning the opening down twice with two buckles. If the opening is not chalk free, chalk can come out of the bag but if you clean it a little before closing it, works fine.

      Too small for bucket, too big for bag

      • Familiarity: I returned this product before using it

      After initially inspecting this item I returned without using it. Although you can stick both your hands inside, the interior is pretty shallow and isn't the type of bag with an inner pouch with cords to tug it closed. The closure system relies completely on a single fold (could not fold it more than once) of the opening of the bag which then clips into the two sides of the bag. This does not seem enough in my opinion.
      The pocket is too small to fit brush, tape, and phone. Phone alone fits well although might not fit a large phone (mine is small old iphone5).
      It is a nice looking bag but would rather use for packing gear or as a lunch bag.