High-quality material: The height-increasing insoles are made of PVC material with a soft texture, offering even force distribution and resistance to deformation. The insole surface features a breathable mesh fabric and includes multiple ventilation holes at the forefoot to enhance airflow, absorb moisture, and reduce odor. Size: The insoles provide adjustable height enhancement from 3 cm to 11 cm. Suitable for use with high-top shoes such as canvas shoes, leather shoes, and boots. Not recommended for low-cut shoes. Perfect design: These adjustable insoles are designed to fit most shoe types. The bottom features a triangular anti-slip structure to help prevent movement inside the shoe. The heel area includes cushioning to help absorb impact, while the raised arch support offers added comfort. Features: The insoles deliver a discreet height increase, helping to enhance posture and provide balanced support. They can assist in compensating for minor leg length discrepancies. Comfortable to wear: Designed for all-day comfort, these insoles help reduce fatigue during extended walking. Combining functionality with style, they support a confident stride and allow for personal expression through improved appearance. Soft, breathable material with moisture-wicking and odor-resistant properties for enhanced comfort. Adjustable height from 3 cm to 11 cm; compatible with high-top footwear including dress shoes, boots, and sneakers. Not suitable for low-top shoes. Non-slip design with heel cushioning and arch support for stability and comfort. Discreet height increase helps improve body proportion and balance. Lightweight and comfortable for long-term wear, promoting confidence and style.