Engineered for versatile performance comfort, our proprietary base KINERTIA cushioning system is a compression molded EVA formulated for all-day wearability - providing a cushioned ride that is adaptable on varying terrains. The O FIT Insole features triple-density EVA foam for all-day comfort and support. It includes medium-density foam throughout, softer heel and forefoot pods for cushioning, and a firm molded shell with a deep heel cup for stability and blister prevention. Engineered for a variety of adventures, our Trail Tread AT (All Terrain) rubber compound features a slightly softer rubber compound that offers versatile grip on variable terrain