Convenience stores should flex sunglass depth with daylight, travel, and local weather while keeping core reader powers available year-round.
Commuter traffic
Regular driver demand supports a stable sunglass core and practical readers.
Road-trip periods
Holiday and summer travel can justify temporary extra sun and replacement inventory.
Daylight and weather
Longer bright periods usually support more sun depth; adjust from actual store sell-through rather than the calendar alone.
Reset after the peak
Reduce temporary inventory when traffic normalizes and preserve only proven evergreen styles.
Continue: Convenience Stores resource center.