The FitStep features a low profile footbed designed for high-impact activities that require maximum control. Whether you're hiking up a mountain, playing basketball or running around in sneakers all day, this insole offers optimal stability and support for your most active days. Designed for individuals requiring maximum control, safety and comfort for all athletic activities Polypropylene shell is layered with memory foam for a custom-like fit and a shock absorbing top cover providing forefoot and rear foot corrective comfort.