Mixed itineraries fail in the suitcase first: too many 'just in case' layers and no plan for laundry. We share a destination-specific note with your confirmation — weather, dress for religious sites, and whether a jacket earns its place.
If you are on a corporate trip with a weekend add-on, pack the meeting clothes in a way that survives the cabin, and leave leisure bulk for the hotel laundry.
Ask us when you are unsure. It is cheaper than checking a bag you did not need.