Appearance notes (from this sheet by MongrelData):
Dark blue knit cap with a white or yellow logo on the front. The logo is probably the Navy Seabee "Can Do" design. Tannish green jacket with long vertical zippers at the sides of the front and multiple smaller zippers on the sleeves. The jacket is worn over a black tactical vest that has a black and white US flag patch at the center of the chest. Khaki cargo pants. Light brown footwear. One video shows him carrying a smartphone with a black case in his left hand just outside the Capitol.