You know this, but be sure to check the surroundings at your place of delivery as some carriers will take it upon themselves to hide the package from public view. Also check in with your neighbors or other household members to confirm someone else didn't pick up the package for you.
It happens on occasion that a package will be marked as delivered by the carrier prematurely, then it arrives 1-2 days later.
If you are still unable to locate your package after considering the above, please reach us at store@686.com with as many details as possible about your situation. There will be instances where a police report or a claim with the carrier will need to be filed before we can proceed with reshipping your order.