This item is made of gel and PU material which provide more better cushioning effect and comfort. GEL material is and comfortable, just like your feet are step on the cotton. It can reduce impact on the joints and muscles and suitable for hiking,climbing,ball games,running and routine. This product can protect your feet from pain. The insole size can be cut according to the size of your feet so as to make it fit you. Features - Color: blue - Material: PU - Size S: 26.5 x 8.3 x 0.3cm - Size L: 30.5 x 9.6 x 0.3cm - Made of gel and PU material which provide more better cushioning effect and comfort. - GEL material is and comfortable, just like your feet are step on the cotton. - Can reduce impact on the joints and muscles and suitable for hiking,climbing,ball games,running and routine. - Designed to reduce pressure on the knees and back when walking or standing for an extended period of time. - The insole size can be cut according to the size of your feet so as to make it fit you.