Nectar Luxe Hybrid Twin XL MattressTwin XL Mattress Meet the award winning Nectarthe better mattress for better mornings. With multiple unique layers of sweet comfort and support, the Nectar Luxe Hybrid twin XL mattress ensures a refreshing rest. The breathable cooling cover, therapeutic memory foam, individually wrapped coils and support foams work together to keep you cool, cradle your body and minimize motion transfer. It's love at first sleep.