An Official Alternate Costume for Aventurine (Honkai: Star Rail) from Honkai: Star Rail, first seen in the "Aventurine: Bullseye" profile picture obtainable via Nameless Honor.
He wears tactical gear consisting of a pair of Goggles, an Earpiece, a set of Dog Tags, a grey short-sleeved T-Shirt with Chest Straps worn over it, and black Fingerless Gloves.