Vintage design t-shirts often feature retro-inspired graphics, distressed textures, and classic fonts that evoke a nostalgic feel. These designs can include old-school logos, faded prints, iconic cultural references from past decades (like the 60s, 70s, or 80s), or simple yet timeless patterns like stripes and polka dots. The color palette is typically muted, with soft, washed-out tones, giving the shirt a worn, aged appearance that adds to its authentic, vintage charm.