Air cushion double insoles trim to fit for men, size: 8-12 twice the cushioning of regular insoles for extra cushioning and comfort. Keeps your feet cool and comfy-ventilated with tiny air holes to keep feet cool and dry. Made of foam latex, soft and light air. Makes shoes more comfortable, wont take up room, wont mat down. Covered with comfortable, long lasting, non-wrinkling fabric. Trim to fit using size chart on the bottom of insole as a trim guide.