Fallout 76 - Secret Service Under Armor (no mods) - YouTube
Secret Service Armor at Fallout 4 Nexus - Mods and community
munchkinjesse on Twitter: "The Lone Wanderer Vault Suit from Season 8 # fallout76. You may experience some clipping with certain under armor (BoS Fallout 1st version), but it works fine with secret service