Nitroid❗ on Twitter: "67. Erm, sorry. Not sure what happened there. The gold rings on Big Boss' sneaking suit in Portable Ops and Ground Zeroes seem highly reflective and make no sense
A strange detail with the SV-Sneaking Suit : r/metalgearsolid
How To Unlock All Metal Gear Solid 5: The Phantom Pain Costumes - Video Games Blogger
Rewards | FAQ - Frequently Asked Questions - Metal Gear Solid V: The Phantom Pain Game Guide & Walkthrough | gamepressure.com