Features: Experience superior comfort with our orthotic insoles featuring silicone for full archs supported, effectively alleviating fatigue and discomfort caused by flat feet. Breathable meshes fabric with ventilation hole keeps feet dry, while nylon spandex construction ensures long flexibility and shape retention. for professional requiring extended standing (teachers, retail workers) and active individuals prioritizing foot health during sports or outdoor activities. for daily wear in formal shoes, sneakers, or hiking boot for office work, gym, or weekends adventures. Customizable sizing allows precise trimming to fit any footwear, paired with shock absorbing cores that reduces joint strain during high impacts movements. Specifications: Materials: silicone Size: 13.5x16cm, for shoes size 35-45 Color: Skin Color, Black(optional) Package Includes: 1Pair Foot Support Orthopedic Insoles note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.