What to do with an uncomfortable 16" (19") natural latex foam mattress

I have a 9 month old 5-layer Natural Latex mattress that is causing hip pain. Iā€™m 6ā€™4" tall 240 pound 70 year old man who tosses an turns all night trying to get comfortable. I have, from the bottom to the top, Xfirm Dunlop, Firm Dunlop, Medium Dunlop, Medium Talalay, medium Talalay layers (have later added an additional 1" of soft Talalay and 2" soft Dunlop as a recommendation). Certainly a bit better as the original cover had some wrinkling which affected my hip issues. Removing the cover (sheet directly on the latex) has help but have not fully relieved the tossing and turning just reduced it some. 5ā€™ 6" 135 lb wife is generally ok. Since i have all of these layers i could literally swap any out for something else if only i knew the direction to try. Any comments or suggestions to relieve the constant awakening from sore hips would be greatly appreciated.

a huge Thanks in advance