Vintage Xtreme Gear (XG) long sleeve thermal shirt.

The shirt is from the brand Xtreme Gear, often abbreviated as XG. It is a long-sleeved thermal shirt, characterized by its thick fabric and crew neck design. Appearance: The shirt is brown with horizontal stripes in white, brown, and other neutral tones across the chest and sleeves. Era: These shirts are associated with the Y2K (early 2000s) era, making them vintage items.