Softrest Thin Mattress Softrest Thin Mattress is a turning, medium risk underlay mattress, specifically developed to support dynamic overlay mattress systems. The stitched cover is made from a two-way stretch vapour-permeable PU coated fabric and includes a covered zip When used with one of the Dynamic overlay mattress systems, the mattress has a maximum user weight of 180kg (28st) When used alone, the maximum user weight is 50kg (8st) (Please note, the Softrest Thin Foam Mattress is not intended to be used on its own as a support surface.) Dimensions: 6.5cm (H) x 86.5cm (W) x 195.5cm (L) Product weight: 12kg