Pembroke Lusso 5 Mattress – from £1,829 This Luxurious Pocket Sprung mattress encorporates traditional craftsmanship and natural materials to deliver a truly luxurious night’s sleep. Upholstered in two layers of lambswool, curled hair and reflex foam. Double size: £1,829 King size: £2,105 Super King Size: £2,863 Available in soft, medium or firm.