Features: A luxurious pressure-relieving design for the best nights sleep. Mattress: Get a grey border 7-zone cool memory wool sprung mattress. Hybrid mattress: Features a Bonnell sprung open coil system and three layer double comfort design with wool and memory foam for extra comfort and support. Cool touch: Plus an aspire-cool touch AC sleep surface. Made in the UK: Made in the UK and delivered rolled. Sizes: Choose Single, small double, double or king. Cool Memory Wool Sprung Mattress | Grey | Single | Living Social