Soft non-spring mattress with high-quality orthopaedic features obtained by using high-quality natural latex. Air channels in the latex layer provide good ventilation and optimal temperatures. This mattress model “breathes” and has high elasticity and durability values. The high latex elasticity ensures right sleeping position supporting the spine correctly. This mattress is irreplaceable if comfort and convenience or special careful support is needed while sleeping, for instance in cases of trauma casualty, rehabilitation or physical recovery and therapy etc. This mattress model is recommended for lower back pain sufferers. Double-sided Winter/Summer mattress.