Berlin Berlin:Twin XL Side sleepers like this as

Side sleepers like this as they can gently raise only the head while leaving the shoulder aligned with the back

so as to easily replace your existing mattress

Advanced air stream design using open-porous cells to controls humidity and temperature

Quattroflex MX2 from Axel Bloom on Vimeo

They can be unzipped

Berlin Berlin:Twin XL Side sleepers like this asModel HYBRID MATTRESS DESIGN The design is a hybrid mattress made of hundreds of separate microsprings and four luxurious multi foam layers to provide the most custom fit for your body support. Each microspring is individually wrapped in cloth to ensure quiet spring support. The darker cloth covered microsprings are softer to cuddle the shoulder and hip regions. The paler cloth covered springs are firmer to support the back region. The foam layers