Features: 1. Material: The insole is made of Foaming, Slow rebound sponge, velvet with full elasticity and light weight. Strong cushioning effect, volume expansion, lighter weight, better cushioning effect, softer Q shell and other characteristics. 2. Slow rebound: Shock-absorbing rebound, after being impacted by sports, it can alleviate the impact and rebound slowly. Increased comfort, soft and breathable, lightweight. 3. Flexibility does not collapse: High temperature and high pressure aggregation molding increases the wear resistance of the insole, and is flexible and does not collapse. Instantly increased, confident. 4. 2 kinds of heights can be chosen at will: 2.5cm is suitable for sports shoes, middle shoes and other uppers are about 6cm; 3.5cm is suitable for middle and high sports The uppers of shoes and boots are about 7cm high. 5. Lightweight: It also has the characteristics of light weight, soft and comfortable, worry-free sports, breathable and smooth running, achieving speed. Note: The size of this increased insole is too large, it is recommended to buy one size smaller. Specifications: Material: Foaming, Slow rebound sponge, velvet Color: white Gender: unisex Age group: adult Types: 2.5cm/0.98inch, 3.5cm/1.37inch Size: (Approx) 37-38, 39-40, 41-42, 43-44(cm/inch) Size L W Front Thick 37-38 25/9.84 8.5/3.35 0.5/0.20 39-40 26/10.24 9/3.54 0.5/0.20 41-42 27/10.63 9.5/3.74 0.5/0.20 43-44 28/11.02 9.5/3.74 0.5/0.20 Package Included: 1 Pair x Insoles