All-Seasons Mattress, Year Round Comfort: Adapts to changing seasons and body temperature to keep you warm in winter and cool in summer. Thermal-responsive natural fibres retain warmth when it’s cold while efficiently wicking away moisture and excess heat in warmer conditions. Naturally Enhanced Breathability: Layered nettle, bamboo, mint and wool-infused fillings combined with advanced e-Fibre comfort layers, and an open knitted ventilated border for improved airflow and fresh sleep environment. 23cm Deep Hybrid Mattress: Micro e-Pocket springs for continuous huggable support, while Deep Pocket springs offer adaptable comfort and reduced motion transfer. A medium mattress firmness rating is ideal for balanced pressure relief, proper spinal support, and comfort across all sleeping positions. Hypoallergenic, Naturally Antibacterial: Soft knitted fabric blend of Nettle and Better Cotton creates a soft and cosy feel, gentle on skin, making a comfortable choice for those with sensitive skin conditions. Natural anti-bacterial benefits of the fabric helps inhibit the growth of bacteria and prevent unpleasant odours, for improved hygiene and freshness. 10 Year Manufacturer Guarantee: Made in Jay-Be’s UK factory, powered by 100% certified renewable energy and operating a zero-to-landfill policy. OEKO-TEX certified with natural salt-based FR protection. Vacuum-packed, rolled, and sealed at production to keep your mattress fresh and reduce packed size by up to 70%. Simply unbox, unroll, and allow it to expand. Size: Standard 4ft Small Double (190 x 120 x 23cm)