The “XXXXXX” in the name may also signify a seasonal color code (e.g., “Neon Lime X5” or “Midnight Denim X2”), making each drop a limited run that creates urgency.
: Creators use it as shorthand for dramatic foreshadowing, such as realizing you’ve made a fatal mistake or that an unavoidable problem is closing in. 2. The "Sexy Sax Man" Archetype
In the world of headwear, particularly cowboy hats, "X" is a standard unit of measure for quality. Material Composition