1720 Hand Nested Pocket Springs - Vispring are the only bed manufacturer to produce their own springs from the finest Vanadium steel ensuring they work in harmony with your bed's upholstery to supply a delicate balance of strength and softness. Their craftsmen hand-nest the pocket springs in a honeycomb pattern that maximizes the support offered by each bespoke mattress. Each spring is enclosed in a natural cotton calico pocket to ensure excellent breathability inside the mattress and offers more precise and body-responsive support. The pocketed springs work independently, gently supporting you from head to toe as you sleep and senses the weight, pressure and contours of both you and your partner, ensuring complete relaxation and a memorable night's sleep.