Suitable for both men and women: We offer two sizes of height-increasing insoles: for men (size L) and for women (size S). You can choose the appropriate style and color according to your needs. Invisible design: The insole has an invisible design. We offer three heights (1.5 cm, 2.5 cm, 3.5 cm). You can choose the appropriate style and height depending on your shoes and the occasion. Premium gel material: The insole is made of premium gel material with a honeycomb structure at the bottom. It has excellent elasticity and does not deform easily. It not only increases height but also ensures a comfortable foot feel with its cushioning function, effectively supports the heel, absorbs the impact of walking on the heel, and relieves heel pain. Sports, work, and leisure: This insole is ideal for improving athletic performance and relieving daily fatigue. Good cushioning reduces the impact on joints and muscles, relieving pain caused by leg length discrepancies, heel spurs, and Achilles tendinitis. Wide applicability: This height-increasing insole is suitable for most shoes, such as boots, sneakers, high-top shoes, dress shoes, and high heels.