A-kon 29, June 7-10, 2018. Fort Worth Convention Center. Lone Wanderer Fallout 3 Vault Dweller Cosplay Costume. We have A-kon Costume Ideas for all of DFW. We have amazing cosplay costumes for men including Jumpsuits, bullet belts, rifles, pistols, leg holsters, knives swords, shoulder holsters and a lot more for your A-kon Cosplay Costume.