Pack lightweight, breathable clothing for Sri Lanka's tropical climate, including cotton shirts, sundresses, and comfortable walking shoes. Don't forget modest attire for temple visits - cover shoulders and knees with long pants and sleeves. A light raincoat or umbrella is essential during monsoon seasons.
Essential items include high SPF sunscreen, insect repellent, comfortable hiking shoes for Sigiriya and Ella, and a daypack for excursions. Pack layers for cooler hill country temperatures and swimwear for beach destinations. Camera equipment is crucial for capturing stunning landscapes and wildlife. Most luxury hotels provide toiletries, but bring any specific personal items you prefer.