Tri-BlendX: Toughness and comfort don&';t have to be mutually exclusive. Our in-house blend includes an antimicrobial treatment, which means your shirt won&';t absorb whatever odors it may come up against. The result is a shirt that&';s tougher, lasts longer, and less likely to end up in a landfill somewhere. Note: Tan does not come with your own sharpie Selection participant number....