The two layers of foam that rest on top of the springs are made from 100 per cent high density Australian-made AirGrown foams are sag-resistant – which is common in foam-only mattresses.
This highly-rated treadmill from Urevo has a versatile two-in-one design: With the frame up, you can run up to 7.6 mph, and with the frame down, you can tuck it under your desk to walk up to 3.8 mph.