Combine the garlic powder, onion powder, paprika, black pepper, and sea salt in a bowl and stir until combined.
Transfer the chicken thighs to a large zip lock bag, followed by the avocado oil and seasoning.
Seal the bag and shake it around until the chicken thighs are well-coated in oil and seasoning.
Refrigerate for at least 1 hour, ideally 8.
When you’re ready to smoke the chicken thighs, preheat your smoker to 375 degrees F (mine takes about 15 minutes to preheat).
Place the chicken thighs on the smoker skin side-up and replace the cover. Cook for 45 minutes, or until the chicken thighs reach an internal temperature of 165 degrees F.
Serve with side dishes, and enjoy!