Designed to adapt to changing climates and your body's temperature, this Jay-Be Double Natural All Seasons Nettle Hybrid 2000 e-Pocket Mattress keeps you warm in winter and cool in summer. Its innovative material technologies harness the innate benefits of nettle and other sustainable plant-based fibres for a highly breathable, fresh, and ambient sleep experience. Also, it features an Eco award-winning Advance e-fibre for extra fine luxury comfort. Sustainably made in the UK, the mattress is 100% foam-free and free from harmful chemical emissions. Plus, it comes with a 10-year guarantee for added peace of mind.