When sourcing nightdresses, material selection is paramount for both skin feel and longevity. Mulberry silk is the premium choice for high-end markets due to its hypoallergenic properties and natural sheen. For mid-range mass markets, high-grade satin (polyester-based) offers a similar aesthetic at a lower cost, but you must ensure a high thread count to prevent snagging. For breathable, everyday wear, modal or bamboo fiber blends are superior to standard cotton as they offer better drape and resistance to shrinking. Always verify the fabric weight (GSM) to ensure the garment is not excessively sheer unless intended by design.