A luxury latex mattress should have several key features to ensure comfort, durability, and an overall premium sleeping experience:

1. High-Quality Natural Latex: Made from 100% natural latex, preferably with a blend of Talalay and Dunlop for varying softness and support.
2. Multi-Layer Construction: Multiple layers of latex to provide tailored comfort and support, often with a combination of different firmness levels.
3. Organic and Eco-Friendly Materials: Certified organic materials (like GOTS for textiles and GOLS for latex) to ensure safety and sustainability.
4. Premium Cover Fabric: A luxurious, breathable cover made from natural fibers like organic cotton, wool, or bamboo, often quilted for added comfort.
5. Enhanced Breathability: Features like ventilation holes or channels in the latex to improve airflow and regulate temperature.
6. Strong Support Core: A high-density foam or latex core that provides excellent support and prevents sagging over time.
7. Edge Support: Reinforced edges to maintain structural integrity and provide a larger usable sleep surface.
8. Motion Isolation: Good motion isolation to minimize disturbances if you share the bed with a partner.
9. Hypoallergenic Properties: Naturally resistant to dust mites, mold, and mildew, making it suitable for allergy sufferers.
10. Generous Warranty and Sleep Trial: A long warranty (often 15 years or more) and an extensive sleep trial period (typically 100 nights or more) to ensure satisfaction.

These features combine to create a luxurious sleeping experience that promotes comfort and longevity. If you have any specific preferences or questions, let me know!