Do not buy! I won’t say anything bad about stiffness, but I’ll say about the coconut kondura. Judging by the specifications for the mattress, it is designed for a weight of more than 110 kg. I weigh 92 kg, my wife is 50, but despite the recommended turning of the mattress, there were tears in the coconut shell on both sides and as a result, it is almost impossible to sleep! Judging by the reviews here, the problem is known. I filed a claim with Ascona, they assigned the number 510372, a week later I was refused! I'll have to buy a new mattress, and definitely not from Ascona.