The Altra Timp IQ is designed to fit in the sweet spot between the Lone Peak and Olympus, offering a great balance of cushion and traction. The addition of IQ technology provides you with live feedback on foot strike, cadence, impact rate and contact time. The sleek footbed sensors provide real-time coaching to help you improve your technique and form during your run, while the 29mm stack height is comfortable, yet responsive, and the 4 mm lugs grip on a variety of surfaces. The PFS performance last and lower volume, Fit4Her design combine to bring you a great fit, reduced lateral movement, and confidence on uneven terrain. The Timp IQ’s printed upper with laser cut TPU overlays, and reinforced coverage on the toe box and heel cap, is both breathable and durable mile after mile.