INIS is a dual-sided ergonomic mattress UK featuring 10-layer core with 2000 pocket springs across 31 cm depth to deliver year-round enhanced sleep quality through reversible seasonal comfort. Summer side combines Tencel fabric and British wool  with a double layer of cool Sleep Resonance Foam  for  superior cooling, moisture-wicking, and breathability during warm months. Winter side features knit fabric and HD foam for insulating warmth and cosy comfort during cold months.

Climate-intelligent hybrid mattress UK provides targeted pressure relief across 7 body zones whilst ensuring a proper posture support and spinal alignment. Hypoallergenic materials resist allergens naturally. Available in soft, medium firm, firm, and very firm options. British-crafted with CertiPUR certified foams for chemical-free, restorative sleep optimised for every season.

📖 Not sure if a cooling mattress is right for you? Our Ultimate Cooling Mattress Guide UK compares different cooling technologies and helps you choose the perfect mattress for your sleep temperature needs.

👉 Learn more: www.sleepharvester.co.uk/blogs/news/ultimate-cooling-mattress-guide-uk