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Comfort Layer

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In short

A comfort layer is the padding above the support core of a mattress. It can be memory foam, latex, reflex foam, wool or other natural fillings, or mini springs. Comfort layers set how soft or firm the top feels. The support core underneath sets how the mattress holds your weight. Read the depth of each layer.

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Close view of a plush velvet headboard and matching upholstered bed
Many bed words describe fabric, shape or storage — this is how they look in a room.

Definition. A comfort layer is the padding, foam or fibre above a mattress’s support core. It sets how soft or firm the surface feels.

Two mattresses with the same springs can feel very different because of their comfort layers. Ask for each layer’s material and depth in centimetres.

Comfort layers usually soften a little as they settle. That is normal. A deep dip in the core is a warranty question.

Full guide: what is inside a mattress. Also: upholstery depth and GSM.