The Erin Hills Euro Pillow Top Collection provides a supportive, comfortable and cool sleeping mattress. Supported with Individually Wrapped Coils that adjust to your body's shape keeping your spine strait and supported. Cushioned with Gel Active® Gel Memory Foam relieving pressure points allowing your blood to flow so you wake up refreshed and rested. Topped with a CoolRight™ cover, keeping cool and fresh. This mattress is a good mattress for a back of side sleeper.