High-quality material: The height-increasing insoles are made of PVC (soft texture, resistant to deformation and evenly distributes pressure). The insole surface features breathable mesh fabric with multiple ventilation holes at the forefoot to enhance airflow, absorb moisture, and reduce odor. Size: The insole provides adjustable height elevation between 3 cm and 11 cm. Suitable for use with quality shoes such as canvas shoes, leather shoes, and boots. Not recommended for low-cut shoes. Design: The adjustable insoles are designed to fit most shoe types. The lower triangular secure fit helps prevent slipping inside the shoe. The heel cushioning helps absorb impact, while the raised arch area offers support. Function: These insoles provide a discreet lift, helping to enhance height and assist in balancing leg length differences. Comfort: Designed for long-term wear, these insoles help reduce fatigue during extended walking. They combine comfort, support, and style to help you feel confident with every step. Features: Soft, breathable, moisture-wicking, and odor-resistant material for enhanced comfort. Adjustable height from 3 to 11 cm. Suitable for high-top and standard shoes, not for low shoes. Non-slip fit, heel cushioning, and arch support. Discreet height increase, helps balance leg length. Comfortable for all-day wear, supports confident movement and personal style.