Male climber ascending a rocky mountainside wearing an Oso Supply Co chalk bag attached to his harness.

Chalk Bags

Classic Collection
National Park Series
Waxed Canvas Chalk Bags
The Vintage Corduroy Collection
Beta Chalk Bag Artist Series
Del Cerro Collection
Crux Buckets
Kulshan Field Canvas Collection
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      Every chalk bag purchased supports Access Fund

      As America’s climbing advocates, the Access Fund protects some of our favorite natural climbing locations through protective efforts and conservation. Our climbing-related gear gives back to some of our nation’s most epic routes while promoting stewardship.