> For the complete documentation index, see [llms.txt](https://walkn.gitbook.io/whitepaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://walkn.gitbook.io/whitepaper/accessories-and-packs/pack-levels.md).

# Pack Levels

Below is the list of all Packs available to app users which they can use to repair/upgrade their sneakers or to unlock next levels.

![Pack Levels](https://322973491-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FRsdyILjnaH8O8NPB1g9S%2Fuploads%2FzRuaR3hyxlF3TwkdZdUj%2Fimage.png?alt=media\&token=18478aa7-59cf-4f1e-bf95-ed87920cbef5)

Please note that there can be cases with lowers levels where an upgrade may fail. If that happens, then user would lose their Packs that they used for upgrade.

### Boost Effect

This specifies the boost a sneaker would get at each Pack level. 

\*BA: Base Attribute