# GEN1 vs GEN2 Pack based on Buckles | YKK or Woo-Jin

![Differences between the GEN1 and GEN2 Athlete Packs](https://cdn.shopify.com/s/files/1/2455/7929/files/IMG_6430_600x600.jpg?v=1691437675)

If you are not sure of what gen pack you have, check the buckles. All gen1 packs include Woo-Jin buckles as shown first. All gen2 packs include YKK buckles.

GEN1 BUCKLES LOOK LIKE THIS![](https://lh6.googleusercontent.com/Dx9mRHsnuu3K3aWzgyfsqGd2xkmGgMbDHJpA5Zr8p9xBYwR7FlaqcPSnVnoKAfSWqJAz-gEVs3VQk5h9mdU-DD4JUCDqNO42zv7O75WRDFUHioyxJEfs-O0lH-vssLzuRq51ggRt1KrkrM2ubrk)

GEN2 BUCKLES LOOK LIKE THIS![](https://www.ykkfastening.com/Portals/0/products/upload/LB20GP_m.jpg)

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> Source: [AtlasPacks](https://atlaspacks.com/pages/gen1-vs-gen2-pack-based-on-buckles-ykk-or-woo-jin)