Adopted from linen and non-woven cloth, the breathable shock-absorption insole is the most wisest choices for you to provide arch support and protection for your feet. With ergonomic design and material, the shoe insole is super shock-absorbent and offer good protection for your feet. Feature - Color: As shown. - Material: linen, non woven. - Size 36: 22.6cm(Length); 7.8cm(Front Width); 5.6cm(Rear Width) - Size 38: 23.8cm(Length); 7.9cm(Front Width); 5.8cm(Rear Width) - Size 40: 24.9cm(Length); 8.1cm(Front Width); 6cm(Rear Width) - Size 42: 25.9cm(Length); 8.7cm(Front Width); 6.3cm(Rear Width) - Size 44: 26.9cm(Length); 8.9cm(Front Width); 6.6cm(Rear Width) - material makes it shock-absorbent. Adoption of material, the insole is excellent in reducing stress. - and comfortable material can effectively reduce feet pressure and fatigue. - Mesh surface of insole is breathable and sweat-absorbent which can keep your feet dry and clean. - Thick design can make you height increase invisiblely. - Exquisite suture craft make it more comfortable and not easy to break.