Extra-Reinforced with EnduraHeel™ arch and heel plating and perfect for Athletic Shoes, Hiking Boots, Work Boots and Casual Footwear. Maximum arch support with extra-thick cushioning and perfect for Athletic Shoes, Hiking Boots, Work Boots and Casual Footwear. Maximum arch support with a cushioned top layer and perfect for narrow-fitting Athletic Shoes, Hiking Boots, Work Boots and Casual Footwear. Maximum arch support and perfect for narrow-fitting & shallow-fitting Athletic Shoes, Cleats, Ski Boots, Ice Skates and Casual Footwear.