Comfort perception is unique to every individual so Peacelily being flippable allows you to trial and choose between two: the Medium and Firm comfort sides. The Peacelily offers the natural resilience and malleable nature of latex. Latex foam can generally be considered a unique material being dense but able to naturally spring back to shape.
Sleeping on the Medium side feels like relaxing into a comforting cuddle since the latex completely moulds to your body, and the middle core layer then stops the body from completely sagging down. The result is cushioning that is buoyant without being bouncy. This is the side generally preferred by side sleepers.
On the Firm side, expect even more of a reinforced supportive feel compared to the Medium. The Firm is less pliant given the higher density latex, which bolsters your body up and is assisted by the core layer.
Both these sensations can be accentuated with the addition of either a plush or firm Peacelily Mattress Topper, which expands on your comfort options.